Merge pull request #376 from AvadootNachankar/mongokit

Bug resolved: Now empty (including only spaces) tag-values were not getting saved
Modified queries to correct location saving issue
Merge pull request #377 from kedar2a/mongokit

Modified queries to correct location saving issue
ajax url for online editing users
ajax methods for online editing users
ajax code for online editing users
Merge branch 'mongokit' of github.com:gnowledge/gstudio into mongokit
Merge pull request #378 from Dhiru/mongokit

visibility of online user editing
MIS-GAPP (Intermediate): group_set added to data_entry; and already created check for GAttribute & GRelation
Merge branch 'mongokit-MIS' into mongokit