new animations

add
@"slide - top to top",
@"slide - top to bottom",
@"slide - left to left",
@"slide - right to right"
popupViewController

https://github.com/martinjuhasz/MJPopupViewController/issues/10
fix popupViewController name issue

use unique name
some UIViewController categories already had popupViewController
property (like Three20 in "Three20UICommon/UIViewControllerAdditions.h")
merged changes from pull requests
removed xcuserstate
Merge branch 'viking2009-master'