fixed CCActionSequence and CCActionSpawn "with array" initializers not available in Swift
include CCAnimation, it's still in use and otherwise not available in Swift
Swift support for CCPhysicsJoint and ..Shape initializers
fix CCPhysicsJoint header for Swift use
Merge branch 'refs/heads/develop' into develop-learncocos2d
Merge pull request #1120 from LearnCocos2D/develop

Swift fixes for v3.4 (actions: sequence, spawn / physics: joint, shape)