Just some small changes, adding stuff to the frames contentpane directly and removing the mainpanel. This makes the window react
properly to resizing of the window. Probably still stuff to tweak regarding that though.
Added some stuff, small details only, sr
Revert "Added some stuff, small details only, sr"

This reverts commit acf0c06f65d66c6310dbec5f01604c6cd212be78.
Added some stuff, small details only, sr