Put a link back to the index in every page footer

Signed-off-by: Shawn O. Pearce <sop@google.com>
diff --git a/Documentation/access-control.txt b/Documentation/access-control.txt
index 26bf2d4..4ac48f5 100644
--- a/Documentation/access-control.txt
+++ b/Documentation/access-control.txt
@@ -509,3 +509,7 @@
 is aggressively cached by every corner of Gerrit, as it does not
 change often.  Browser may need more than 5 minutes to flush the
 old category data out of their local disk caches.
+
+GERRIT
+------
+Part of link:index.html[Gerrit Code Review]
diff --git a/Documentation/asciidoc.conf b/Documentation/asciidoc.conf
index 48a1d59d..9242f09 100644
--- a/Documentation/asciidoc.conf
+++ b/Documentation/asciidoc.conf
@@ -5,3 +5,14 @@
 startsb=&#91;
 endsb=&#93;
 tilde=&#126;
+
+[specialsections]
+GERRIT=gerrituplink
+
+[gerrituplink]
+<hr style="
+  height: 2px;
+  color: silver;
+  margin-top: 1.2em;
+  margin-bottom: 0.5em;
+">
diff --git a/Documentation/cmd-flush-caches.txt b/Documentation/cmd-flush-caches.txt
index ea5e704..c31f4dc 100644
--- a/Documentation/cmd-flush-caches.txt
+++ b/Documentation/cmd-flush-caches.txt
@@ -83,3 +83,7 @@
 * link:cmd-show-caches.html[gerrit show-caches]
 * link:config-gerrit.html#section_cache[Cache Configuration]
 * link:config-gerrit.html#cache_names[Standard Caches]
+
+GERRIT
+------
+Part of link:index.html[Gerrit Code Review]
diff --git a/Documentation/cmd-index.txt b/Documentation/cmd-index.txt
index 02fa80d..529241c 100644
--- a/Documentation/cmd-index.txt
+++ b/Documentation/cmd-index.txt
@@ -46,3 +46,7 @@
 
 link:cmd-replicate.html[gerrit replicate]::
 	Manually trigger replication, to recover a node.
+
+GERRIT
+------
+Part of link:index.html[Gerrit Code Review]
diff --git a/Documentation/cmd-ls-projects.txt b/Documentation/cmd-ls-projects.txt
index d1a9be6..02c03ae 100644
--- a/Documentation/cmd-ls-projects.txt
+++ b/Documentation/cmd-ls-projects.txt
@@ -49,3 +49,7 @@
 --------
 
 * link:access-control.html[Access Controls]
+
+GERRIT
+------
+Part of link:index.html[Gerrit Code Review]
diff --git a/Documentation/cmd-replicate.txt b/Documentation/cmd-replicate.txt
index c22cd74..7f88b47 100644
--- a/Documentation/cmd-replicate.txt
+++ b/Documentation/cmd-replicate.txt
@@ -95,3 +95,7 @@
 --------
 
 * link:config-replication.html[Git Replication/Mirroring]
+
+GERRIT
+------
+Part of link:index.html[Gerrit Code Review]
diff --git a/Documentation/cmd-show-caches.txt b/Documentation/cmd-show-caches.txt
index cf2ac8a..57df025 100644
--- a/Documentation/cmd-show-caches.txt
+++ b/Documentation/cmd-show-caches.txt
@@ -72,3 +72,7 @@
 * link:cmd-flush-caches.html[gerrit flush-caches]
 * link:config-gerrit.html#section_cache[Cache Configuration]
 * link:config-gerrit.html#cache_names[Standard Caches]
+
+GERRIT
+------
+Part of link:index.html[Gerrit Code Review]
diff --git a/Documentation/cmd-show-connections.txt b/Documentation/cmd-show-connections.txt
index db01151..b38d7f2 100644
--- a/Documentation/cmd-show-connections.txt
+++ b/Documentation/cmd-show-connections.txt
@@ -82,3 +82,7 @@
 	
 	--
 ====
+
+GERRIT
+------
+Part of link:index.html[Gerrit Code Review]
diff --git a/Documentation/cmd-show-queue.txt b/Documentation/cmd-show-queue.txt
index bbae1eb..d646a49 100644
--- a/Documentation/cmd-show-queue.txt
+++ b/Documentation/cmd-show-queue.txt
@@ -73,3 +73,7 @@
 There is a small race condition where tasks may disappear from the
 output of this command while they transition from the ready/waiting
 (`W`) or sleeping (`S`) state to the running (`R`) state.
+
+GERRIT
+------
+Part of link:index.html[Gerrit Code Review]
diff --git a/Documentation/config-contact.txt b/Documentation/config-contact.txt
index f1f1bb2..fd6fb73 100644
--- a/Documentation/config-contact.txt
+++ b/Documentation/config-contact.txt
@@ -205,3 +205,6 @@
 anything, and as the example shows, may not even be consistent in
 the same record.
 
+GERRIT
+------
+Part of link:index.html[Gerrit Code Review]
diff --git a/Documentation/config-gerrit.txt b/Documentation/config-gerrit.txt
index 2ac6100..591fe5a 100644
--- a/Documentation/config-gerrit.txt
+++ b/Documentation/config-gerrit.txt
@@ -498,3 +498,6 @@
 +
 Changing it is not recommended.
 
+GERRIT
+------
+Part of link:index.html[Gerrit Code Review]
diff --git a/Documentation/config-gitweb.txt b/Documentation/config-gitweb.txt
index bbe8711..493d8eb 100644
--- a/Documentation/config-gitweb.txt
+++ b/Documentation/config-gitweb.txt
@@ -47,3 +47,7 @@
 If your repository set is large and you are expecting a lot
 of users, you may want to look at the caching forks used by
 high-traffic sites like kernel.org or repo.or.cz.
+
+GERRIT
+------
+Part of link:index.html[Gerrit Code Review]
diff --git a/Documentation/config-headerfooter.txt b/Documentation/config-headerfooter.txt
index b5297ad..0dc3469 100644
--- a/Documentation/config-headerfooter.txt
+++ b/Documentation/config-headerfooter.txt
@@ -130,3 +130,6 @@
 block in the header or footer will execute before Gerrit has defined
 the function and is ready to register the hook callback.
 
+GERRIT
+------
+Part of link:index.html[Gerrit Code Review]
diff --git a/Documentation/config-replication.txt b/Documentation/config-replication.txt
index 3209da9..8590dfb 100644
--- a/Documentation/config-replication.txt
+++ b/Documentation/config-replication.txt
@@ -174,3 +174,7 @@
 `~/.ssh/known_hosts` file, and must be added in advance, before
 Gerrit starts.  If a host key is not listed, Gerrit will be unable to
 connect to that destination, and replication to that URL will fail.
+
+GERRIT
+------
+Part of link:index.html[Gerrit Code Review]
diff --git a/Documentation/config-sso.txt b/Documentation/config-sso.txt
index 5271aba..274bf2a 100644
--- a/Documentation/config-sso.txt
+++ b/Documentation/config-sso.txt
@@ -205,3 +205,6 @@
 `external_id` field.  For example, if a Siteminder username was "foo"
 then the external_id field would be populated with "gerrit:foo".
 
+GERRIT
+------
+Part of link:index.html[Gerrit Code Review]
diff --git a/Documentation/dev-design.txt b/Documentation/dev-design.txt
index e7f5594..6b26b5b 100644
--- a/Documentation/dev-design.txt
+++ b/Documentation/dev-design.txt
@@ -657,3 +657,7 @@
 dashboard to keep track of any pending reviews, and some way to
 correlate updated revisions back to the comments written on prior
 revisions of the same logical change.
+
+GERRIT
+------
+Part of link:index.html[Gerrit Code Review]
diff --git a/Documentation/dev-eclipse.txt b/Documentation/dev-eclipse.txt
index 2f59b84..1e6098e 100644
--- a/Documentation/dev-eclipse.txt
+++ b/Documentation/dev-eclipse.txt
@@ -123,3 +123,7 @@
 
 * link:install.html[Installation Guide]
 * link:project-setup.html[Project Setup]
+
+GERRIT
+------
+Part of link:index.html[Gerrit Code Review]
diff --git a/Documentation/dev-readme.txt b/Documentation/dev-readme.txt
index 44494e7..31f4d37 100644
--- a/Documentation/dev-readme.txt
+++ b/Documentation/dev-readme.txt
@@ -152,3 +152,7 @@
 We like it.  Plus we can write Java code once and run it both in
 the browser and on the server side.  This will be very useful as
 we implement offline support in Gerrit.
+
+GERRIT
+------
+Part of link:index.html[Gerrit Code Review]
diff --git a/Documentation/i18n-readme.txt b/Documentation/i18n-readme.txt
index 1d88910..54e947f 100644
--- a/Documentation/i18n-readme.txt
+++ b/Documentation/i18n-readme.txt
@@ -28,3 +28,7 @@
 * The title of the host page is not translated.
 
 * The <noscript> tag is not translated.
+
+GERRIT
+------
+Part of link:index.html[Gerrit Code Review]
diff --git a/Documentation/install.txt b/Documentation/install.txt
index ebca626..eb5ad06 100644
--- a/Documentation/install.txt
+++ b/Documentation/install.txt
@@ -457,3 +457,7 @@
 
 See link:project-setup.html[Project Setup] for further details on
 how to register a project with Gerrit.
+
+GERRIT
+------
+Part of link:index.html[Gerrit Code Review]
diff --git a/Documentation/licenses.txt b/Documentation/licenses.txt
index aa44c14..594348b 100644
--- a/Documentation/licenses.txt
+++ b/Documentation/licenses.txt
@@ -576,3 +576,6 @@
 property of their respective owners.
 ----
 
+GERRIT
+------
+Part of link:index.html[Gerrit Code Review]
diff --git a/Documentation/project-setup.txt b/Documentation/project-setup.txt
index 35f34ff..cf72bc1 100644
--- a/Documentation/project-setup.txt
+++ b/Documentation/project-setup.txt
@@ -130,3 +130,7 @@
 a standard Git branch name.  Almost any valid SHA-1 expression can
 be used to specify the starting revision, so long as it resolves
 to a commit object.  Abbreviated SHA-1s are not supported.
+
+GERRIT
+------
+Part of link:index.html[Gerrit Code Review]
diff --git a/Documentation/user-upload.txt b/Documentation/user-upload.txt
index 240013e..5bd64c7 100644
--- a/Documentation/user-upload.txt
+++ b/Documentation/user-upload.txt
@@ -317,3 +317,7 @@
 connection before data is sent.  This ensures that project owners
 can be certain any object available in their repository has been
 supplied under at least one valid agreement.
+
+GERRIT
+------
+Part of link:index.html[Gerrit Code Review]