Merge pull request #48 from SableRaf/develop

Drawing on two PGraphics now works + fixed wall screen bug
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
Merge pull request #50 from tugelbend/develop

Develop
Removed keystone library as we don't need it, added settings for framexlocation and background image
Merge pull request #51 from tugelbend/develop

Removed keystone library as we don't need it, added settings for framexl...
Made the buttons bigger
Merge pull request #52 from tugelbend/develop

Made the buttons bigger
Added setting for using a different camera device on linux, added cross cursor for menues and no cursor for painting
Merge pull request #53 from tugelbend/develop

Added setting for using a different camera device on linux, added cross ...
Change mapping of x position to work on rear projection screens
Merge pull request #54 from tugelbend/develop

Change mapping of x position to work on rear projection screens
Merging changes from Hauke