Added getEducatorStudentRoster function for educator
Wrong API message
Corrected Wrong API
Corrected API calling
Merge branch 'educator' of https://github.com/uc-pkm/testing.git into
educator

Conflicts:
	index.php
Adding function sendMentorEmail and removed comment
Adding function sendStudentEmail
Merge branch 'Educator_local' into educator

Conflicts:
	index.php
Removed 2 eduactor functions
Reverted educator functions
Override changes
Merge branch 'educator' of https://github.com/uc-pkm/testing.git into educator