Merge pull request #1 from wso2-dev/master

Initial pull req
Merge pull request #2 from wso2-dev/master

pull req 3
Merge pull request #3 from wso2-dev/master

Pull 4
Merge pull request #4 from wso2-dev/master

pull 5
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