Merge branch 'master' into 2.0-development
Remove pre-1.0 RACCommand deprecations
Rename -addSignalBlock: to -addDeferredSignal:
Reinstate -addSignalBlock: as a deprecated method
Catch and redirect deferred signal errors
Merge pull request #529 from ReactiveCocoa/remove-command-deprecations

Remove pre-1.0 RACCommand deprecations
-addDeferedSignal: > -addActionBlock:
Merge branch '2.0-development' into catch-command-errors

Conflicts:
	ReactiveCocoaFramework/ReactiveCocoa/RACCommand.h
	ReactiveCocoaFramework/ReactiveCocoa/RACCommand.m
Merge pull request #530 from ReactiveCocoa/catch-command-errors

Rename -addSignalBlock: to -addDeferredSignal:, hide errors from subscribers
Remove support for lifting char * args and return values
deprecate some starts
include in the iOS test target
Merge pull request #535 from ReactiveCocoa/remove-cstr-lifting

Remove support for lifting char * args and return values
rename
fixed some derps
Match old -addSignalBlock: behavior despite deprecation
Merge pull request #537 from ReactiveCocoa/restore-old-command-signals

Match old -addSignalBlock: behavior despite deprecation
use -toArrray
style
test for ensuring it only invokes the block once