Migrated type_of field from unicode to ObjectId
Merge pull request #281 from sunnychaudhari/mongokit

Migrated type_of field from unicode to ObjectId
Saving graph as SVG and creating left partion for graph metadata
Saving graph as graphname.svg
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
Adding complex_data_type field to existing documents of AttributeType.
get_possible_attributes() moved from GSystem to Node.