Make gcview colors configurable #481 #487
Fix minor bug
Remove debug leftover
Pass build dimensions to excluder
Don't check for E: in temperature report.

Repetier firmware doesn't have that, but otherwise works.
Relax toolbar combobox and button sizes
Remove unused make_sized_button function and buttonSize variable
Protect calls from threading issues (#492)
Update graph.py

Make temperature graph intervals be 10s as in comments.  Fixes issue https://github.com/kliment/Printrun/issues/491
Move back code which was incorrectly moved to pronsole
Use and install PNG icons instead of ICO, rename P-face to pronterface
 * PNG icons are smaller and there is no advantage in ICO files containing only one resolution
 * It's coomon to name the icon after the app
Fix #497: switch to FloatSpin for extrude length/speed
Add length/speed labels to extrusion controls
Add parameter for 3D view background color (#481)
Don't crash if unable to read Slic3r configuration
Remove prontserve and update README accordingly (#464)
Import release scripts for Windows from Kliment
Fix GLException in non-light model
Remove "Check temp" button

This button is almost useless, takes space, can be easily replaced by a
custom button if really needed.
Add spacers to main toolbar to group buttons

(also expand toolbar in compact/standard modes)