added option to show closeButton left-top(default)/right-top
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
Added enum for closeButton types (none/left/right)
updated readme
merge in #25 and match coding style