optimizing filldb.py file
Merged commit #280 and get_possible_attributes() added [only while creating GSystems]
append_attribute() modified: attributes are added to respective dictionary-type-attributes.
Saving graph as SVG and creating left partion for graph metadata
Saving graph as graphname.svg
Update script for updating attribute_type field of GAttribute instances from ObjectId to DBRef (AttributeType)
get_possible_attributes() updated - now even while editing GSystems
append_attribute() updated - returns attribute-value (while editing GSystem, otherwise None)
get_possible_attributes() updated - can accept gsystem_id as well as list of gsystem_ids
conflict resolve after latest commit
Merge pull request #283 from kedar2a/mongokit

Saving graph as graphname.svg
Merge branch 'mongokit-dev' of https://github.com/AvadootNachankar/gstudio into mongokit-dev
Merge branch 'mongokit' of https://github.com/gnowledge/gstudio into mongokit-dev
Remove Redundant code from filldb.py
Merge pull request #284 from krishna31/mongokit

Removed redundant code from filldb
Adding complex_data_type field to existing documents of AttributeType.
get_possible_attributes() moved from GSystem to Node.
Merge pull request #278 from makfire/mongokit

Moderated Group created
Merge branch 'mongokit-dev' of https://github.com/AvadootNachankar/gstudio into mongokit-dev
append_attribute(): Delete attributes from existing possible-attributes while editing GSystem