Fix documentation

Asciidoctor is more picky than asciidoc, that the section title must
have exactly the same length of section characters under them.

Change-Id: Id3843f91633a25d6c080cc0a80020ca7fc5b076a

Documentation/access-control.txt

@@ -600,7 +600,7 @@ The force option has no function when granted to a branch in the
 
 [[category_push_merge]]
 Push Merge Commits
-~~~~~~~~~~~~~~~~~~~~
+~~~~~~~~~~~~~~~~~~
 
 The `Push Merge Commit` access right permits the user to upload merge
 commits.  It's an add-on to the <<category_push,Push>> access right, and

Documentation/cmd-version.txt

@@ -1,5 +1,5 @@
 gerrit version
-================
+==============
 
 NAME
 ----

Documentation/config-labels.txt

@@ -177,7 +177,7 @@ optional leading `+`.
 
 [[label_abbreviation]]
 `label.Label-Name.abbreviation`
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
 An abbreviated name for a label shown as a compact column header, for
 example on project dashboards. Defaults to all the uppercase characters

Documentation/config-login-register.txt

@@ -136,3 +136,8 @@ Verify that the ssh connection works for you.
 
   user@host:~$
 ----
+
+
+GERRIT
+------
+Part of link:index.html[Gerrit Code Review]

Documentation/database-setup.txt

@@ -108,3 +108,8 @@ Sample database section in $site_path/etc/secure.config:
 [database]
         password = secret_pasword
 ----
+
+
+GERRIT
+------
+Part of link:index.html[Gerrit Code Review]

Documentation/dev-release.txt

@@ -83,7 +83,7 @@ the `gerrit-security-fixes` project be taken over into the public
 
 
 Create the Actual Release
----------------------------
+-------------------------
 
 To create a Gerrit release the following steps have to be done:
 

Documentation/error-has-duplicates.txt

@@ -1,5 +1,5 @@
-... has duplicates
-==================
+\... has duplicates
+===================
 
 With this error message Gerrit rejects to push a commit if its commit
 message contains a Change-ID for which multiple changes can be found

Documentation/rest-api-accounts.txt

@@ -947,7 +947,7 @@ the link:#capability-info[CapabilityInfo] entity.
 
 [[email-id]]
 \{email-id\}
-~~~~~~~~~~~~~~
+~~~~~~~~~~~~
 An email address, or `preferred` for the preferred email address of the
 user.
 
@@ -958,7 +958,7 @@ The user name.
 
 [[ssh-key-id]]
 \{ssh-key-id\}
-~~~~~~~~~~~~
+~~~~~~~~~~~~~~
 The sequence number of the SSH key.