added meta tags to all the pages
done with the error page
Merge branch 'bootstrap' of https://github.com/TEAMMATES/repo into Issue2075
Apply Bootstrap to AdminHomePage
add a break line under page title in adminHome
Merge remote-tracking branch 'origin/Issue2033' into bootstrap
update equal share's style: badge wraps all
update insStuRecords for new equal share style
Merge branch 'bootstrap' of https://github.com/TEAMMATES/repo into bootstrap
changed footer to not break test cases unnecessarily
done with unauthorized page, made student help consistent with instructor help
fixed an inconsistency
Change color of edit button
Apply bootstrap to instructorEvalSubmission
Fix tooltips in instructorEvalSubmission, fix tests for studentFeedbackSubmitPage
Merge remote-tracking branch 'origin/bootstrap' into Issue2033