updating Travelling logic
Merge branch 'master' of https://github.com/wso2-dev/developer-studio
Adding Json input reader and refactored the code to support for JSON
operator chaning inital imple
Merge branch 'master' of https://github.com/wso2-dev/developer-studio
Merge pull request #38 from wso2-dev/master

Merge branch 'master' of https://github.com/wso2-dev/developer-studio