Update Czech translation binary
Packaging updates for 2.5.0 release
Enforce a minimum PHP version of 5.4.0 on install and upgrade.
Delete unused code
CC-5487 : Calendar won't load under certain situation with linked shows
Merge branch '2.5.x'
CC-5450 : Refactor Media Management

refactored webstreams, new/save is working
adding validators/filters for the url
separating out parsing of different webstream formats.
CC-5450 : Refactor Media Management

using a preInsert hook on MediaItem to insert Owner Id to the database.
CC-5450 : Refactor Media Management

redone webstreams, will come back to do finishing touches for error handling after a bit more generic work on media.
CC-5450 : Refactor Media Management

starting changeover of UI to tabs with separate datatables for media types
(playlists, webstreams, audiofiles)
generating datatables columns/source feeds using propel peer class constants.
 CC-5450 : Refactor Media Management

working on creating a function to return a proper JSON nested array structure.
CC-5555 : Implement simple caching for preferences

using apc to save/fetch preferences to/from a cache.
Merge branch '2.5.x' into propel16test

Conflicts:
	airtime_mvc/application/models/Preference.php
CC-5555 : Implement simple caching for preferences

fixing up code so user id is never passed in manually to a preference getter.
CC-5555 : Implement simple caching for preferences

making sure locale/timezone is returned properly in generic calls.
CC-5555 : Implement simple caching for preferences

better to include the key in the error message
CC-5555 : Implement simple caching for preferences

forgot to get rid of user id here.
CC-5555 : Implement simple caching for preferences

cache key creation change.
Merge branch '2.5.x' into propel16test
Merge branch '2.5.x'