Typo fix in readme

"setters are hoverer considered" should be "setters are however considered"
Typo fixes

Various typos in header comments.
Merge pull request #42 from tewha/patch-3

Typo fix in readme
Merge pull request #43 from tewha/patch-4

Typo fixes
Performed recommended Xcode 4.6 project updates.
Moved initial setTransformForCurrentOrientation check to didMoveToSuperview. fixes #102