Use local font reference
Merge branch 'refs/heads/master' into node-refactor
Merge branch 'refs/heads/master' into node-refactor
Merge branch 'refs/heads/master' into node-refactor
Merge branch 'refs/heads/master' into node-refactor
Remove "Close" button form input and output nodes
Merge branch 'node-refactor'
Preliminary icon to test window icons
New function for non-AA faster line drawing
Cleanup of SDL functions, errors for deprecated functions and parameters