Added freenode.txt for Freenode IRC channel verification (to reclaim #airtime)
Merge branch '2.5.x'
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-5555 : Implement simple caching for preferences

using apc to save/fetch preferences to/from a cache.
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'
Merge branch 'master' of github.com:sourcefabric/Airtime
CC-5555 : Implement simple caching for preferences

comment out logging to not flood logs.
Merge branch '2.5.x'
Delete freenode.txt
CC-5570: Tracks get scheduled ahead of their show start time
Merge branch '2.5.x' of github.com:sourcefabric/Airtime into 2.5.x
CC-5571: Overlapping show check in wrong sometimes

The incorrect number of days we're getting added to create repeat instances
because we were checking the start week day in UTC instead of local time