Add use Slic3r::GUI::PreviewCanvas to view-mesh.pl
Get rid of demo timer in PreviewCanvas
Switch to orthographic projection
Remove leftover from 47b2c13c
Implement zoom to point
Add panning support
Start work on rotation handling
Working rotation for mesh viewer
Cleanup
Use max of all dimensions instead of max of first 2
Merge pull request #1283 from iXce/master

Panning/rotation/zooming support for 3D viewer