Change docs links to actual file extension (.md)

See https://gerrit-review.googlesource.com/83950 for detailed context.

Change-Id: I02f545c0856c611f69a943449b905d30a7610b39
diff --git a/src/main/resources/Documentation/about.md b/src/main/resources/Documentation/about.md
index 7a7526b..b7b867e 100644
--- a/src/main/resources/Documentation/about.md
+++ b/src/main/resources/Documentation/about.md
@@ -111,21 +111,21 @@
 
 Importing a project can be done via
 
-* [REST](rest-api-config.html#import-project)
-* [SSH](cmd-project.html) and
+* [REST](rest-api-config.md#import-project)
+* [SSH](cmd-project.md) and
 * UI from menu 'Projects' > 'Import Project'
 
 Resuming a project import can be done via
 
-* [REST](rest-api-config.html#resume-project-import)
-* [SSH](cmd-resume-project.html)
+* [REST](rest-api-config.md#resume-project-import)
+* [SSH](cmd-resume-project.md)
 * UI from the list imports screen (menu 'Projects' > 'List Imports') and
 * UI from the project info screen ('Resume Import...' action)
 
 Completing the import can be done via
 
-* [REST](rest-api-config.html#complete-project-import)
-* [SSH](cmd-complete-project.html)
+* [REST](rest-api-config.md#complete-project-import)
+* [SSH](cmd-complete-project.md)
 * UI from the list imports screen (menu 'Projects' > 'List Imports') and
 * UI from the project info screen ('Complete Import' action)
 
@@ -171,7 +171,7 @@
 import file
 'review\_site/data/@PLUGIN@/\<target-project-name\>.$importstatus' and
 locks this file. In the import file an
-[ImportProjectInfo](rest-api-config.html#import-project-info) entity is
+[ImportProjectInfo](rest-api-config.md#import-project-info) entity is
 persisted that stores the input parameters and records the past
 imports. The import file is kept after the import is done so that the
 input parameters do not need to be specified again when the import is
@@ -231,21 +231,21 @@
 
 Copying a project can be done via
 
-* [REST](rest-api-projects.html#copy-project)
-* [SSH](cmd-copy-project.html) and
+* [REST](rest-api-projects.md#copy-project)
+* [SSH](cmd-copy-project.md) and
 * UI from the project info screen ('Copy...' action)
 
 Resuming a project copy can be done via
 
-* [REST](rest-api-projects.html#resume-copy-import)
-* [SSH](cmd-resume-project.html)
+* [REST](rest-api-projects.md#resume-copy-import)
+* [SSH](cmd-resume-project.md)
 * UI from the list imports screen (menu 'Projects' > 'List Imports') and
 * UI from the project info screen ('Resume Copy...' action)
 
 Completing the copy can be done via
 
-* [REST](rest-api-config.html#complete-project-import)
-* [SSH](cmd-complete-project.html)
+* [REST](rest-api-config.md#complete-project-import)
+* [SSH](cmd-complete-project.md)
 * UI from the list imports screen (menu 'Projects' > 'List Imports') and
 * UI from the project info screen ('Complete Copy' action)
 
@@ -309,6 +309,6 @@
 
 Importing a group can be done via
 
-* [REST](rest-api-config.html#import-group)
-* [SSH](cmd-group.html) and
+* [REST](rest-api-config.md#import-group)
+* [SSH](cmd-group.md) and
 * UI from menu 'People' > 'Import Group'
diff --git a/src/main/resources/Documentation/rest-api-projects.md b/src/main/resources/Documentation/rest-api-projects.md
index 2b8db28..6ac7a3c 100644
--- a/src/main/resources/Documentation/rest-api-projects.md
+++ b/src/main/resources/Documentation/rest-api-projects.md
@@ -33,7 +33,7 @@
   }
 ```
 
-As result a [ImportStatisticInfo](rest-api-config.html#import-statistic-info)
+As result a [ImportStatisticInfo](rest-api-config.md#import-statistic-info)
 entity is returned.
 
 #### Response
@@ -67,7 +67,7 @@
   PUT /projects/myProjectCopy/@PLUGIN@~copy.resume HTTP/1.0
 ```
 
-As result a [ResumeImportStatisticInfo](rest-api-config.html#resume-import-statistic-info)
+As result a [ResumeImportStatisticInfo](rest-api-config.md#resume-import-statistic-info)
 entity is returned.
 
 #### Response
@@ -90,7 +90,7 @@
 Resumes importing to a project from the original copy source.
 
 Information about the import resume must be provided in the request
-body as a [ImportResumeInput](rest-api-config.html#import-resume-input)
+body as a [ImportResumeInput](rest-api-config.md#import-resume-input)
 entity.
 
 Caller must be a member of a group that is granted the 'ImportProject'
@@ -109,7 +109,7 @@
   }
 ```
 
-As result a [ResumeImportStatisticInfo](rest-api-config.html#resume-import-statistic-info)
+As result a [ResumeImportStatisticInfo](rest-api-config.md#resume-import-statistic-info)
 entity is returned.
 
 #### Response