Merge pull request #127 from deba/nitish

Merge pull request #126 from deba/mahesh
Merge pull request #128 from deba/mahesh

Pulling latest changes
Merge pull request #129 from deba/nairutee

Nairutee
Merge pull request #130 from deba/komal

Komal
The type constants are added namely Diagram,DiagramType
,DiagramtypeShapetypes , Shape , ShapeType ,SpaceServices .
Merge pull request #131 from deba/kiran

Kiran
Merge pull request #132 from deba/vikram

Vikram
Merge pull request #133 from deba/komal

Merge pull request #132 from deba/vikram
added a variable for participant Contact Entity.
Merge pull request #134 from deba/vikram

Vikram
code shifted from ems project to shared
mapping for source folder for new schema folder added
Merge pull request #135 from deba/mahesh

Mahesh
Merge pull request #136 from deba/komal

Komal
Merge pull request #137 from deba/kiran

Kiran
methods added to fetch and set values in the entity graph object
separate exception class created for graph related exception
test class for testing new setter and getter methods for graph
added more assert for the get graph value test
changes for updating the value from the entity in execution