XWIKI-7721: Numbered lists not properly aligned

- "list-style-position: inside" was needed at some point to fix some bugs in IE6. Removed after dropping support for IE6 and IE7 for some time and after doing some IE8, IE9 tests
XWIKI-9165: Error after the copy of XWiki.ClassSheet to a different space
* Add a Velocity macro to simplify the display of a sheet title.
XWIKI-9186: When creating a new blog its title is not properly encoded
* The blog title was encoded twice.
XWIKI-9183: Add New Page menu not shown to non-admin users
* Serialize the full reference because the new security module uses the default document reference resolver.
XWIKI-9163: The WYSIWYG editor transforms the content into HTML code when reloading certain types of documents
* Make the Selection implementation fail safe when there is no native selection (e.g. when the rich text area is hidden).
XWIKI-9190: Document reference is not properly resolved in the new security system bridge (XWikiCachingRightService)
[Misc] Indent to 120 chars + minor comment improvements
[Misc] Added missing licenses
[Misc] Fix failing test
[Misc] Fix test failing on my machine (Mac+FF20) + made it easy to take a screenshot in a test to debug something