Merge pull request #1 from wso2-dev/master

Initial pull req
Adding data-mapper module to pom
Merge branch 'master' of https://github.com/wso2-dev/developer-studio
Merge branch 'master' of https://github.com/wso2-dev/developer-studio
Merge branch 'master' of https://github.com/wso2-dev/developer-studio
Merge pull request #2 from wso2-dev/master

pull req 3
Chnaging Data Mapper input and output figures
removing DataMapperDiagramEditPart class.
Merge pull request #3 from wso2-dev/master

Pull 4
Fixing error while opening a data mapper diagram
DataMapperEditor open with mediator double click implemented
Enabling key binding for Deleting entities in the canvas
Merge pull request #4 from wso2-dev/master

pull 5
Adding more 'Operations' to model
Merge pull request #5 from wso2-dev/master

Pull 6
Input/output schema browse capability and saving schemas in registry resource project
Input/output schema browse capability and saving schemas in registry resource project 2
Merge pull request #3 from Gayany/master

Merging pull request from GayanK to add datamapper input/output schema browse capability
Merge pull request #6 from wso2-dev/master

Merge pull request #3 from Gayany/master
Changes in DiagramEditorContextMenuProvider