CE-702 Removing limit 20 as default is 1, plus minor corrections - coding conventions
add delete link to special:listfiles entries
fix link, change to delete link to lowercase
some changes per code review
Xml -> Linker
Rename existing traits to follow *Trait convetion.

I renamed the existing traits in includes/wikia/traits to be named
*Trait and to take the .trait. out of the pathname. This should make
them compatible with PSR* autoloaders as well.

/cc @nmonterroso
MOB-2203: Added control keys for suggestion box
CON-1435 fix manage wikia home
Refactored arrow handling
CON-1379: Support for handlebars js
VID-1848 Mock the blacklist
VID-1780 Move the chat module up when the user is logged in
VID-1844 Remove the file=XXX part of the query string on close

This way if the user clicks to another page and then uses the back button they don't incorrectly get the lightbox
get rid of unsupported dataset
CON-1379 add handlebars service

Conflicts:
	extensions/wikia/VenusTest/VenusTestController.class.php
	includes/wikia/nirvana/WikiaView.class.php
	includes/wikia/template/HandlebarsEngine.class.php
CON-1379 | Cleanup, changes after CR
Fix loadHandlebars
Fix for the annoying slash in the url
Remove redundant variable
Merge pull request #4248 from Wikia/VID-1780

VID-1780 Move the chat module up when the user is logged in