added hiding/showing to children
added infinite loop for animations
added constructor to bgcontainer to take a size
made background sprite public for adding children
added constructors to horiz/vert layouts to take toolkit argument
removed onTouchEnded from onTouchMoved of scrollable containers (prevents touch from passing through and causing bugs)
fixed constructor errors (can't set default values...although i think was fixed in lastest drop too)
commented hd setting for editor and added UNITY_ANDROID to allow compilation on unity

…ainers

this allows a "popup" to be ontop of another menu, but turn off the other menu's input (it's out of focus)