sprayNumber3 now works with PGraphics
Added screen clearing
Implemented drawing on two PGraphics buffers

Known bug: on wallscreen the intermediate knots don't get drawn.
Merge pull request #45 from tugelbend/develop

Camera and Blobdetection threaded, configurable colorpicker size
Optimized draw buffer mechanics
Merge pull request #46 from tugelbend/develop

Added grl logos to colorpicker menu
Fixed wallscreen spray bug
Merge
Merge remote-tracking branch 'upstream/develop' into develop

Conflicts:
	Code/bombIR/blobs.pde
	Code/bombIR/bombIR.pde
	Code/bombIR/calibration.pde
Solved conflicting files
Merge pull request #48 from SableRaf/develop

Drawing on two PGraphics now works + fixed wall screen bug
Removed conflict files and comments
Merge pull request #49 from SableRaf/develop

Removed conflict files and comments
With rearprojection screen painting was mirrored
Bug fix: colorpicker not working with spraycan