Add basic gfx reftest
Add reference PNG file
Generalize gfx test
Show page contents on timeout
Other debugging stuff
Precisely specify the font to use as system font
Allow some pixels to be different
Set a global onWaitTimeout function that prints the contents of the page when the timeout occurs
Reduce the number of maximum different pixels
Merge branch 'master' of https://github.com/andreasgal/j2me.js into gfx_tests
Merge pull request #264 from marco-c/gfx_tests

Support gfx reftests