fixed bottom view bug

implemented bottom view and iphone x adoptions

ignoring already set viewcontrollers

fixed bug were controllers views have not been removed when new contr…

…oller was set

bugfix with tap recognizer. now only fires when static views are unco…

…vered

bugfix - safeareaviews are now clearcolor bg

bugfixes and 2.7.2 release

fixed a bug where interactive sliding was not working when optional a…

…llowSliding delegate method was not implemented

release 2.7