Merge pull request #16 from coati-00/master

bug fixes
Merge pull request #17 from coati-00/master

more small fixes
Merge pull request #18 from coati-00/master

small update to have have student team auto selected in select menu
Merge pull request #19 from coati-00/master

move create and edit course to course homepage
Merge pull request #20 from coati-00/master

removed update view
Merge pull request #21 from coati-00/master

added cancel buttons