Merge pull request #7 from sohaniwso2/master

Applying a patch from Sohani for fixing TOOLS-2386
Fixing TOOLS-2390
Merge pull request #7 from wso2-dev/master

Merge pull request
Fixing TOOLS-2392
DataMapper editor open  improved by reducing unwanted file types and dialogs
Merge branch 'master' of https://github.com/wso2-dev/developer-studio
Merge pull request #1 from wso2-dev/master

Syncing fork with remote master
Adding some basic operations
Merge pull request #8 from wso2-dev/master

Merge pull request 2
Fixing TOOLS-2391
Removing Equal operation from the Tool Pallete temporarily
Merge pull request #8 from melanj/master

Fixing TOOLS-2391
Adding Equal operator to Tool Pallete
Merge pull request #9 from wso2-dev/master

Merge pull request 3
Refactoring and repatching input/output schema editor dialog
Fixing TOOLS-2392
Equal figure implemented , need to re work with generic model
Merge branch 'master' of https://github.com/wso2-dev/developer-studio
Improving Equal operator figure
Adding icons for tool pallete items