Hunting notices in PHP code
Fixing typo in template
Fixing typo
MediaWikiMirror application: view, improve code

* MediaWikiMirrorApplication::fix_links has been renamed into
  MediaWikiMirrorApplication::fixLinks per conventions guidelines.

* A apps/mediawikimirror/page.tpl view has been created to contain
  th rendered mirror page. A title has been added.