wiki - page revisions list (#7369)

fix #7

* add wiki page revision list

* mobile improvements

* css improvements for long usernames

* split renderWikiPage into 3 functions

Signed-off-by: Michael Gnehr <michael@gnehr.de>

templates/repo/wiki/view.tmpl

@@ -56,6 +56,7 @@
 		<div class="ui dividing header">
 			<div class="ui stackable grid">
 				<div class="eight wide column">
+					<a class="file-revisions-btn ui basic button" title="{{.i18n.Tr "repo.wiki.file_revision"}}" href="{{.RepoLink}}/wiki/{{.PageURL}}/_revision" ><span>{{.CommitCount}}</span> <i class="fa fa-fw fa-history"></i></a>
 					{{$title}}
 					<div class="ui sub header">
 						{{$timeSince := TimeSince .Author.When $.Lang}}