use message.properties variables to set action class messages
Test Commit
Merge pull request #25 from wso2-dev/master

sumuditha-viraj	sumuditha-viraj	Fixing TOOLS-2432
fix TOOLS-2433
Merge branch 'master' of https://github.com/lsdeva/developer-studio
Merge pull request #36 from lsdeva/master

fix TOOLS-2433, use message.properties for action classes,