MINOR: Add index last edited as a dependency
FIX: Added File to the list of default things where the last edited field is obtained
ENHANCEMENT: Added the option of using a url parameter to the cache key
Merge branch '3.1' of git://github.com/gordonbanderson/weboftalent-cachekey-helper into 3.1
ENHANCEMENT: Allow a parameter to be part of the cache key (needed for paging)
Merge branch '3.1' of git://github.com/gordonbanderson/weboftalent-cachekey-helper into 3.1

Conflicts:
	code/CacheKeyHelper.php
Merge branch '3.1' of git://github.com/gordonbanderson/weboftalent-cachekey-helper
FIX: Remove rogue merge info