Added RACNamedSignal() to declare and name a signal
Added RACNamedSequence()
Add -[RACStream setNameWithFormat:]
Remove +createSignal:name: in favor of -setNameWithFormat:
Use -setNameWithFormat: to clean up name-setting code
Merge branch 'master' into easier-signal-naming

Conflicts:
	ReactiveCocoaFramework/ReactiveCocoa/RACSignal+Operations.m
Merge branch 'master' into easier-signal-naming
Revert "Added RACNamedSequence()"

This reverts commit 07fe5bca544fb5f90bd943571c87c3c56dc44068.
Revert "Added RACNamedSignal() to declare and name a signal"

This reverts commit d50482db69845f00a88392b434947edb3e38c418.

Conflicts:
	ReactiveCocoaFramework/ReactiveCocoaTests/RACSignalSpec.m
Merge pull request #250 from github/easier-signal-naming

Easier signal naming