Fixup progress bar / Add initial interfaces config
Add interface to build
Use array of panels
Remove need for dtsgui_showpanel
Split newtabpage/addtab
Rework event handler in DTSObject
Add Event for page changed too tab window
Remove comments
Also refresh the panels to get rid of screen dropings
Merge pull request #50 from gregnietsky/master

Fixups for Tabbed pane