Added an example with blending mode dropdown menu
Added netbeans project files to .gitignore
Changed drawing color to random
Added overlay blend mode and helper function to create blend modes that are applied per channel
Added support for overlay blending mode in canvas mode
Added unit test for overlay blend mode and did some formating
Merge remote-tracking branch 'hectigo/master'
Fixed code style errors
Moved mix() function to new mathUtil struct
Removed extra .html from the name
Removed extra example file
Merge pull request #18 from Bercon/master

Overlay blending mode implementation