Link to docs aka wiki directory, remove docs/Background

The docs/Background.md is redundant with about.md.

Change-Id: If4bf87e4d9c31150366ff7557e654a17859b7b6b
diff --git a/docs/Background.md b/docs/Background.md
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-Google developed [Mondrian]
-(http://video.google.com/videoplay?docid=-8502904076440714866), a Perforce based
-code review tool to facilitate peer-review of changes prior to submission to the
-central code repository. Mondrian is not open source, as it is tied to the use
-of [Perforce](http://www.perforce.com/) and to many Google-only services, such
-as [Bigtable](http://labs.google.com/papers/bigtable.html). Google employees
-have often described how useful Mondrian and its peer-review process is to their
-day-to-day work.
-
-Guido van Rossum open sourced portions of Mondrian within [Rietveld]
-(http://code.google.com/p/rietveld/), a similar code review tool running on
-Google App Engine, but for use with Subversion rather than Perforce. Rietveld is
-in common use by many open source projects, facilitating their peer reviews much
-as Mondrian does for Google employees. Unlike Mondrian and the Google Perforce
-triggers, Rietveld is strictly advisory and does not enforce peer-review prior
-to submission.
-
-Git is a distributed version control system, wherein each repository is assumed
-to be owned/maintained by a single user. There are no inherent security controls
-built into Git, so the ability to read from or write to a repository is
-controlled entirely by the host's filesystem access controls. When multiple
-maintainers collaborate on a single shared repository a high degree of trust is
-required, as any collaborator with write access can alter the repository.
-
-[Gitosis](http://eagain.net/gitweb/?p=gitosis.git;a=blob;f=README.rst;hb=HEAD)
-provides tools to secure centralized Git repositories, permitting multiple
-maintainers to manage the same project at once, by restricting the access to
-only over a secure network protocol, much like Perforce secures a repository by
-only permitting access over its network port.
-
-The [Android Open Source Project](http://source.android.com/) (AOSP) was founded
-by Google by the open source releasing of the Android operating system. AOSP has
-selected Git as its primary version control tool. As many of the engineers have
-a background of working with Mondrian at Google, there is a strong desire to
-have the same (or better) feature set available for Git and AOSP.
-
-Gerrit Code Review started as a simple set of patches to Rietveld, and was
-originally built to service AOSP. This quickly turned into a fork as we added
-access control features that Guido van Rossum did not want to see complicating
-the Rietveld code base. As the functionality and code were starting to become
-drastically different, a different name was needed. Gerrit calls back to the
-original namesake of Rietveld, [Gerrit Rietveld]
-(http://en.wikipedia.org/wiki/Gerrit_Rietveld), a Dutch architect.
-
-Gerrit2 is a complete rewrite of the Gerrit fork, completely changing the
-implementation from Python on Google App Engine, to Java on a J2EE servlet
-container and a SQL database.
diff --git a/navbar.md b/navbar.md
index 52c9daa..d9727ae 100644
--- a/navbar.md
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@@ -1,9 +1,10 @@
 # Gerrit Code Review
 
 * [About](/about.md)
-* [Documentation](https://gerrit-documentation.storage.googleapis.com/Documentation/2.12/index.html)
 * [Downloads](https://gerrit-releases.storage.googleapis.com/index.html)
+* [Documentation](https://gerrit-documentation.storage.googleapis.com/Documentation/2.12/index.html)
 * [Issues](https://code.google.com/p/gerrit/issues/list)
+* [Wiki](https://gerrit.googlesource.com/homepage/+/md-pages/docs/)
 * [Source](https://gerrit.googlesource.com/gerrit/)
 * [Reviews](https://gerrit-review.googlesource.com/#/q/status:open+project:gerrit)