XWIKI-11315: Different sizes for the Search/Contribute boxes when logging out
XWIKI-11285: No way to switch back to original language after looking to a translation
* Fixed the display of the languages, to display on top the current language, and in the submenus the other languages of the document, including original language of document + translations
* Fixed the display of the language pretty name, to display the language in the language itself, this way when switching to Chinese and wanting to go back to english, english will be displayed as "English"
XWIKI-11316: No way to access the document currently being exported from the pdf template
* Added a velocity variable in pdf.vm to store the current translated document ($tdoc), this way when $tdoc will be changed by the render function of the pdftemplate properties, this var will still point to the current document being exported.
XWIKI-10776: The cache of the LESSCompiler is badly designed.
[Misc] Fix typos
XWIKI-8904: Upgrade Jetty to version 9.2.3.v20140905
* Jetty 9 has changed the way the ports and stop configruation parameters are passed
XWIKI-11320: The annotation's reply button no longer opens the threaded reply textarea insid ethe Comments tab
XWIKI-11314: Changing the current language from the UI does not preserve the query string of the current URL.
XWIKI-11193: Any Velocity macro defined in a template located in a skin stay in the VelocityEngine macros cache for good

*put back line removed by a merge. No idea how it ended up like this.
XWIKI-11324: Wrong URL for the pencil.gif image
XWIKI-11315: Different sizes for the Search/Contribute boxes when logging out
XWIKI-11326: Add support for returning search results as JSON in Solr search suggest service
Merge branch 'master' of github.com:xwiki/xwiki-platform into feature-tree