Update outdated reference to RACSignalGenerator+Operations.h
Let's talk about RACSignalGenerator subclassing
Merge pull request #1003 from ReactiveCocoa/generator-comment-update

RACSignalGenerator comment update
Replace NSString.rac_signal with generic enumeration
Add -[RACSignal signalGenerator]
Merge pull request #1008 from ReactiveCocoa/line-enumeration

Replace NSString.rac_signal with generic enumeration
Merge pull request #1009 from ReactiveCocoa/generator-from-signal

Add -[RACSignal signalGenerator]
Fix variable type in NSSet+RACSupport
Merge pull request #1024 from ikesyo/fix-nsset-racsupport

Fix variable type in NSSet+RACSupport
Merge branch '3.0-development' into generator-actions
More complex RACAction examples in the changelog