Merge pull request #771 from AvadootNachankar/mongokit

Bug fixes for MIS module
pushed release date to October
link to Features.org and strikeout markup corrected.
spelling correction "registerd" to "registered"
Skip overriding start_time and end_time attribut-type's subject_type field as it already has value set by filldb.py.
images are displayed in lightbox image gallary,to easily navigate from collection of images
imageCollection querry added to display the images in image gallary
Merge pull request #772 from sunnychaudhari/collection

Now images can be navigated using image gallary with Lightbox
Merge branch 'mongokit' of https://github.com/gnowledge/gstudio into mongokit
start_time & end_time: data_type value changed from 'DATA_TYPE_CHOICES[9]' to 'datetime.datetime'
course_create_edit() created: Code added only for displaying widgets; and for saving part not implemented yet
import added for including course-view details
Templates created/updated for 'Announced Course' & 'NUSSD Course' implementation.