Improving Auto-layout support.
Completing Auto-layout improvements.
Fixing latest changes.
Disable zoom button if the window is not resizable
Merge pull request #22 from eldenchen/patch-1

Disable zoom button if the window is not resizable
Add method for removing ViewController
Merge pull request #23 from FlyingDiver/master

Add method for removing ViewController
Moving license into its own file.
Adding podspec.
Fixing the broken Pod.