CC-4819: Tracks length in Scheduler is 0.0 all the time

- fixed
CC-4770: Playlist's length doesn't counts Webstream and Smartblock in

- the bug was introduced by CC-4668
- fixed
SAAS-298: Issues with http://iqkidsradio.airtime.pro/Schedule

potential fix
Merge branch 'devel' of dev.sourcefabric.org:airtime into devel
CC-4823: Locale cookie doesn't get set after user logs in

-fixed
CC-4822: Cannot preview playlist

-fixed
CC-4819: Tracks length in Scheduler is 0.0 all the time

- fixed in better way
Removed user id from cc_pref keystr value
Merge branch 'devel' of dev.sourcefabric.org:airtime into devel
CC-4821: Add option to disable ReplayGain

- done
CC-4786: Refresh page when language setting changes

-done
Added missing base directory to urls
CC-4786: Refresh page when language setting changes

-configure localization and reinitiliaze edit user form after the user locale is set
CC-4817: I18N: "Playlist Shuffled" is not listed for translation

-fixed
CC-4798: Need a 'show is partially filled' icon
Merge branch 'devel' of dev.sourcefabric.org:airtime into devel
Modified show is partially filled icon
Merge branch 'devel' of dev.sourcefabric.org:airtime into devel
Jquery cookie plugin
Merge branch 'devel' of dev.sourcefabric.org:airtime into devel