Fix NoReverseMatch url issue - 'view_articles' [added key 'group_id' to context_variables dictionary]
lowerYearLimit changed to (currentYear-30) & upperYearLimit changed to (currentYear-14) [only for dob]
Updated tabs navigation (using next & previous buttons); and Widget updated for start_time & end_time (used jquery-ui-timepicker-addon's datetimepicker() function)
Submit button: updated jquery's on-click call and label toggles depending upon node's state (new/existing)
Condition modified: If and only if editable field's value exists, then only apply readonly property.
'content' class removed from reveal-modal used for displaying map.
Merge branch 'mongokit' of https://github.com/gnowledge/gstudio into mongokit
Merge pull request #771 from AvadootNachankar/mongokit

Bug fixes for MIS module