Index returning support

- adding a button returns index just like reqular ios UIAlertView

- added cancelButtonIndex property just like reqular ios UIAlertView
Adding Delegation support

- Adding delegate support just like ios UIAlertView to allow easy
migration from existing projects with UIAlertViews.
Inherit IOS Alert delegation

- New init with delegate method inheriting from standard UIAlertView to
support delegate passing and unlimited other buttons.

- Enhanced CXAlertView to follow standard UIAlertView style delegation

- Sample enhanced to use delegate pattern in multilined alert.
Inherit IOS Alert delegation

- Enhanced CXAlertView to follow standard UIAlertView style delegation

- Sample enhanced to use delegate pattern in multilined alert.
Inherit IOS Alert delegation

- Enhanced CXAlertView to follow standard UIAlertView style delegation

- Sample enhanced to use delegate pattern in multilined alert.
Update README.md

Ammended to fit new changes
IOS AlertView Inheritance

- Added a new method to allow dismissing with button index just like
standard UIAlertView.

- Fix for a crash in multi-threaded environments.
Merge branch 'master' of https://github.com/ramakrishnachunduri/CXAlertView
MultiWindowed App Support

Fix to work fine in an already multi windowed application.
Delegation changes

- Added ability to add buttons when delegating to allow users to do
conditional alert button presence
Delegation Changes

- Fix to prevent adding cancelbutton when passed as null while using
delegation pattern
Orientation changes

AlertView is added up with new property named supportedOrientation,
allowing users to prevent rotation in a limited interface oreintation
apps.
Touch fix

Fix for an issue with making app window key window when alerts are
shown from modal views.
Merged ramas repo