2013-spring-cleanup: Cleanup build system of git.
2013-spring-cleanup: Beamer rule cleanup.
2013-spring-cleanup: Cleanup coding-style.
2013-spring-cleanup: Cleanup colab build system.
2013-spring-cleanup: Remove obsolete dbus course.
2013-spring-cleanup: Remove obsolete deb course.
2013-spring-cleanup: Add highlight rules to latex-beamer.mk
2013-spring-cleanup: Add .h -> .tex template for highlight.
2013-spring-cleanup: latex-beamer.mk: Use 4 spaces by default in highlight
2013-spring-cleanup: Update design-patterns.
2013-sc: Add .gitignore to remove local files from highlight.