Added Serbian Cyrillic, Serbian Latin and Croatian, thanks Zsolt!
Don't bump installation version yet
Merge branch '2.5.x-serbian-croatian' of https://github.com/danielhjames/Airtime into 2.5.x

Conflicts:
	airtime_mvc/locale/hr_HR/LC_MESSAGES/airtime.mo
	airtime_mvc/locale/hr_HR/LC_MESSAGES/airtime.po
	airtime_mvc/locale/hu_HU/LC_MESSAGES/airtime.mo
	airtime_mvc/locale/hu_HU/LC_MESSAGES/airtime.po
	airtime_mvc/locale/sr_RS/LC_MESSAGES/airtime.mo
	airtime_mvc/locale/sr_RS/LC_MESSAGES/airtime.po
	airtime_mvc/locale/sr_RS@latin/LC_MESSAGES/airtime.mo
	airtime_mvc/locale/sr_RS@latin/LC_MESSAGES/airtime.po
updated translation resources
updated translation resources
updated translation resources
updated translation resources
updated translation resources
updated translation resources
updated translation resources
updated translation resources
updated translation resources
CC-5810 : Installation can have race conditions with the cache

Preferences.php is used to set values since it will save the value to cache there as well.

defaultdata.sql is used where possible.
Merge branch '2.5.x' into cc-5709-airtime-analyzer

Conflicts:
	airtime_mvc/locale/de_DE/LC_MESSAGES/airtime.po
	airtime_mvc/locale/es_ES/LC_MESSAGES/airtime.po
	airtime_mvc/locale/hr_HR/LC_MESSAGES/airtime.po
	airtime_mvc/locale/hu_HU/LC_MESSAGES/airtime.po
	airtime_mvc/locale/sr_RS/LC_MESSAGES/airtime.po
	airtime_mvc/locale/sr_RS@latin/LC_MESSAGES/airtime.po
CC-5709: Airtime Analyzer

* Catch exceptions related to unpickling the HTTP request queue
Merge branch 'cc-5709-airtime-analyzer' of github.com:sourcefabric/Airtime into cc-5709-airtime-analyzer
CC-5709: Airtime Analyzer

* Fixed some unit tests that broken when I dropped python-magic in
  favour of mutagen for MIME type detection
CC-5802: Upgrade application.ini file
CC-5814: 'Down for maintenance' page during upgrades
CC-5814: 'Down for maintenance' page during upgrades