Reformat for pep8 conformance

rework german translation

Allow resize "Edit Settings" dialog and change slicer exception text

Resizing the options dialog is now possible, this will allow you to check the paths for slicecommand and sliceoptscommand 

Conflicts:
	pronterface.py

Make bgcolor configurable

Merge fixes added to master into experimental

Refactoring plater. 

refactor - shape move and rotate into functions for nonGL canvas, keyboard manipulation. Added -nogl option to force nongl canvas.

refactor - shape moving and rotating into funcions. Keyboard mainipulation is there, except it doesnt work as I have no idea where keypress events go (definitely not canvas)

load_scad line parsing rewrite

Added Tooltips and a Help Dictionary for the User Options.

disconnect after print with printcore

Add command line options to printcore.py

Fixed default ports on windows.

Updated readme to point to a specific version of wxpython for lion

Updated readme...there have been a lot of issues with pronterface on Lion. The link I added should clarify some of the confusion.

Use a single variable for build size, allow setting bed center coordinates.