added border setting
draw components relative to container border
bugfix: label must be modified to, if it get's rendered again
comments, determine additional action within callback to reduce duplicate code
initial commit radiobox component and demo
initial commit new class for handling panels
added functionality for showing/hiding window
initial commit button component and demo
moved container classes over to different folder
container is now not longer a child of component, added functionality for handling component focus
added functionality for focus handling
app is now an abstract class that needs to be implemented by an application
cleanup
call setup method when  building window
rewrite of demos