Added CocoaPods advice.
Added CocoaPods advice to the bottom.
Merge pull request #20 from ricburton/patch-1

Added the CocoaPod installation instructions!
update project
Added support for iOS 6 rotation fix #18
Added notifications for “will show”, “did show”, “will hide”, “did hide”: fix #21 & fix #22
adding podspec
Add ability to place close button on either left or right
Merge pull request #24 from jurysch/master

Add ability to place close button on either left or right
Tweaked the location of the right close button
Updated podspec
fix podspec version tag
merge in #25 and match coding style
added xccheckout file to avoid merge conflict
merged master from kgn