WWDC & iOS7 update
Quick & dirty iOS7 implementation

(a bit busy at the moment, more to come)
Fixed iOS 7 keyboard animation curve issue
Merge pull request #53 from paulheimann/master

Fixed iOS 7 keyboard animation curve issue
Merge commit '5c303891f40ae0a2c38a232abb3ce5ca08a944d6' into feature/merge_with_upstream
Merge branch 'feature/merge_with_upstream' into dev
Podspec updated
Merge branch 'release/2.3.1'