2013-sc: Remove code/Makefile from diff-patch (not needed).
2013-sc: Cleanup django.
2013-sc: Add .gitignore to ignore local django files generated by highlight.
2013-sc: Add syntax in latex-beamer.mk rule for patch files.
2013-sc: Add syntax in latex-beamer.mk for highlighting text files.
2013-sc: Add highlighting for .py and .html files.