Save & restore main window position
Added "Check for update..." menu item
Merge pull request #330 from GreatFruitOmsk/master

Fix typos in README.
Merge pull request #329 from smorloc/master

Save/restore window size + Cura update check menu item
Fixing #328
Replacement for gluUnproject, which seems to be causing problems with some intel based drivers. #321
Slight change to the object info corners so there are always 2 corners visible.
Add visual nodes for the scale tool.
Add working scale tool.
Fix typos in README.
Fix to add initial model file(s) to MRU list
Don't save window size/pos on exit if minimized
Merge pull request #333 from smorloc/master

2 fixes for bugs I introduced in recent new features
Properly handle the unfilled window positions.
Redone launcher from Bash to Python
Add py prefix to OpenGL and serial. Exit when error.
Merge pull request #337 from hroncok/master

Redone launcher from Bash to Python
New layout
Fix for omission in new layout code
Only enable batchrun and project planner when fulle settings are selected, so people understand better which settings are used.