Merge pull request ReactiveCocoa#2073 from ReactiveCocoa/framework-ov…

…erview-tweaks

Minor changes to Framework Overview

Merge pull request ReactiveCocoa#2052 from ReactiveCocoa/travis-6.3

Turn travis back on

Merge pull request ReactiveCocoa#2038 from ReactiveCocoa/action-event…

…-signal

Unified events signal on Action

Merge pull request ReactiveCocoa#1961 from larcus94/promises-futures

Add zip and combineLatest array operators

Merge pull request ReactiveCocoa#1966 from ReactiveCocoa/signal-flatten

Flatten operations for signal-of-producers

carthage update

carthage update

Merge pull request ReactiveCocoa#1893 from ReactiveCocoa/atomic-noescape

Use @NoEscape for Atomic

Merge remote-tracking branch 'origin/master' into swift-development

Update Quick and Nimble