Deprecate -windowWithStart:close and -buffer:
Rewrite -bufferWithTime: without -windowWithStart:close:
Rename -toProperty:onObject: to -setKeyPath:onObject:
Deprecate -rac_deriveProperty:from:
Update UIBarButtonItem+RACCommandSupport
Update UIButton+RACCommandSupport
Merge pull request #617 from ReactiveCocoa/rename-to-property

Rename -toProperty:onObject: to -setKeyPath:onObject:
Remove -rac_liftBlock:withSignals*:
Merge pull request #620 from ReactiveCocoa/remove-lift-block

Remove -rac_liftBlock:withSignals*:
Merge branch '2.0-development' into signal-for-selector-from-protocol
Try to clarify the behavior of rac_delegateProxy
Reduce the argument tuple
Use unsafe_unretained for delegates, to support OS X
Merge branch '2.0-development' into deprecate-window-and-buffer
Better tests for -bufferWithTime:
Don't set the delegate afterward – just don't do it, bro
Merge pull request #608 from ReactiveCocoa/signal-for-selector-from-protocol

-rac_signalForSelector:fromProtocol: & refactored UIKit signals
Merge pull request #616 from ReactiveCocoa/deprecate-window-and-buffer

Deprecate -windowWithStart:close and -buffer:
Merge branch '2.0-development' into uiactionsheet-signal-support

Conflicts:
	ReactiveCocoaFramework/ReactiveCocoa/RACDelegateProxy.h
	ReactiveCocoaFramework/ReactiveCocoa/UITextView+RACSignalSupport.m
Descope RACDelegateProxy signals

The sender is now responsible for ensuring signals are scoped to the lifetime
of the delegating object, if so desired.