Huge update to put all the code for slicing at the slicer, and not in the gui. Step 1, still need to fix the project planner.
Merge branch 'master' of github.com:daid/Cura
Pass a matrix to the slicer for scale and rotation.
Fix scale with new matrix mode,
Minor cleanup suggested by pycharm, which speeds up SF a tiny bit.
Add missing else statements in initial wizard
Better show invalid placement when objects are not placed on the printer bed.
Should use "is None" instead of "== None"
Allow manual placement by preference. And add option to select models in the 3D interface.
Fixing project planner slicing for newer slicer implementation. Still needs custom profiles.
Fix the progressbars in the projectplanner..
Clarify Mac OS X Guide.
Remove some commented old code.
Remove some commented old code.
Add formula to create appropriate python build.
Fix typos in README, better representation of build commands.
Merge pull request #315 from GreatFruitOmsk/master

Update README and add Python formula.
Add feature which checks for newer releases on startup.
Merge branch 'master' of github.com:daid/Cura
Update on firmware to 13.01.