applied bootstrap to studentCourseJoin
UITest is done
Merge remote-tracking branch 'origin/bootstrap' into Issue2015
apply bootstrap to studentEvalEdit
Merge remote-tracking branch 'origin/bootstrap' into Issue2019
change of styling according to request
fix a bug with closing tag
fixing of indentation
Merge remote-tracking branch 'origin/bootstrap' into Issue2019
change the style of middle type
Merge remote-tracking branch 'origin/bootstrap' into Issue2019
centeralign class added
Merge remote-tracking branch 'origin/bootstrap' into Issue2019
adjustment of merging
minor fix of tag
done with tooptip
adjustment of merging
Merge remote-tracking branch 'origin/Issue2015' into bootstrap
added responsiveness support for IE8--studentEval
added necessary js files for IE operability