add email in drop down list in adminSearchPage
Add trim process for students info when enrolling
Add error message when the number of responses exceeds the range limit
Update test for enrolling students for trimming enrolling info
add institute to admin student search
[2310]adminStudentSearch: show email of the student in search results

fixes #2310
Merge branch 'master' into Issue2385
[2385] Trim student infos when enrolling
Merge branch 'master' into Issue2319
[2319] Add error message when there are more then 2500 responses in a single section
show all feedback sessions for searched student in adminSearchPage
rename unopened feedbackSession links map
[2231]adminSearch: show submissin links for all sessions, not just open sessions

fixes #2231
Merge branch 'master' into Issue2384