Merge pull request #13 from wso2-dev/master

Adding SF Avro Schema , chnage the input msg param into OMElement to …	* Set schema data type.
Merge pull request #14 from wso2-dev/master

Fixing datamapper config and schema path handling issues/Config generation logic modified
Add Constan,Contains,LowerCase operators.
Bug fix in code generation.
Merge pull request #15 from wso2-dev/master

Fixing TOOLS-2403
Merge branch 'master' of https://github.com/lsdeva/developer-studio

merged before
Merge pull request #16 from lsdeva/master

Add Constant,Contains,LowerCase operators.