base for searching in student comments
set up basic page to demo the comments searching
refactor document's fields
enhance searchManager's performance
add search limit for courses, giver and visibility options
refactor insSearchPageAction
avoid race conditions for search manager
update: when updateComment, sync the updated comment to the searchable document
change commentAttributes's fromDocument from static to non-static
add instructor verification for search page
update commentAttr with validation for section name; make comments in the search results with sending state SENT
add related students information to searchable document
rename updateComments --> updateCommentsSendingState
change api name updateFeedbackResponseComments -> updateFeedbackResponseCommentsSendingState
add searchBundle for comment
use SearchQuery class to wrap gae search api's Query class
delete comment document, when related comment got deleted
clean up
Merge branch '73683938' into AccessControl
Merge branch 'AccessControl' into dev