Declare a RACScheduler method for interval scheduling
Implement test and interval scheduleing
Deprecate +interval: in favor of +interval:onScheduler:
Deprecate -timeout: in favor of -timeout:onScheduler:
Deprecate -bufferWithTime: instead of -bufferWithTime:interval:
Merge branch '2.0-development' into interval-scheduler
Disallow nil and +immediateScheduler for timers
Rename to -after:repeatingEvery:withLeeway:schedule:
Clarify the behavior of clock vs. wall time in timers
Merge pull request #588 from ReactiveCocoa/interval-scheduler

Require a scheduler for all timer-based operators