fix authentication error in api for anonymous users
add home link in TIMTec logo
fix admin header links and tooltips
fix course page width
fix courses list page width
fix course admin page layout
Merge branch 'layout' of github.com:hacklabr/timtec into layout

Conflicts:
	core/templates/course.html
fixes #386 buttons border radius
fixes #379 user menu bg color
uses real professor name and course abstract
remove details from users courses
Merge branch 'layout' of github.com:hacklabr/timtec into layout
fixes #376
fixes #382
revert bootstrap changes, overwrite the variables on less theme file
fixes #377
fixes #374 admin modal layout
fixes #371 contact modal layout
fixes #370
fix #370