v1.0.7 fix bug: tabbar items are in disorder because of self.title

v1.0.6 improved speed of hitTest method

v1.0.5 remove useless code

v1.0.4 cancel needless setting for user

v1.0.3

give waring,in case below, If the count of CYLTabbarControllers is no…

…t odd,there's no need to realizse `+indexOfPlusButtonInTabBar` in your custom plusButton class.

fix bug because of “1/2”,and convert to “0.5”

add CYLTabBarController.podspec