Merge pull request #38 from wso2-dev/master

Merge pull request #26
Merge pull request #39 from wso2-dev/master

Merge pull request #27
Merge pull request #40 from wso2-dev/master

Fixing TOOLS-2448
Merge pull request #49 from lsdeva/master

contains, constant operator transformer added. conacat transformer changed
Removing internal properties from property view.
Add new JS generator
Merge pull request #41 from wso2-dev/master

Merge pull request #28
fix some issues in script generator
fixed a bug
Refactored the code
Synchronizing dataMapper.gmfgen and dataMapper.gmfmap
Pass root elements into constructors
Merge branch 'master' of https://github.com/wso2-dev/developer-studio
Merge pull request #42 from wso2-dev/master

Merge pull request #29
Data mapper config generation related changes (navigate through mapping
model and gnerate operations).
Added new internal attribute 'serialized' to Operator.
Mapping configuration generation enhancements.
Merge pull request #43 from wso2-dev/master

Merge pull request #30
On-element renaming option for tree nodes and elements
Merge pull request #51 from Gayany/master

On-element renaming option for tree nodes and elements