Merge pull request #42 from vaibhavsehgal1/master

Added a GWT EntryPoint to allow a job wizard to be launched from external javascript code. Also added code to handle a click on the cancel and close buttons of a job wizard.
Updates for wizard handling framework
Fixed deprecation issues in ColorBox
Added datacleaner namespace
Merge pull request #44 from vinsjee/master

Updated ErrorHandler to start using datacleaner.onError JS hook for error handling. Fallback mechanism is also coded.
Refactoring of wizard framework to better distinguish responsibility
between wizard controllers and views (WizardPanel)
Fixed license headers.
Merge branch 'master' of https://github.com/datacleaner/DataCleaner
Added Javascript callback methods for handling clicks on cancel and close buttons in a wizard. Also moved Javascript methods into a namespace named /datacleaner/