removed project-specific files
added initial icon TODO: convert all to favicon
minor style adjust
updated some unit overviews
updated TODO
wrapped years with  Elements
updated unit 5 and 6 overviews
Merge branch 'hotfix' into edu
Merge branch 'master' into css-arch

Conflicts:
	TODO.md
	resume.html
	secondary-ed/secondary-ed.css
Merge branch 'master' into sass