IDE-1216

Fixed default docroot lookup to use new API call to obtain 
defaultRootSource tag.
IDE-1199

Fixed the liferay freemarker debug field editor error messages is showing
incorrectly when the former one is changed, it will overwrite the message
caused by the latter.
IDE-1199 source formatting
IDE-1195

Fixed the vaadin portlet display failure when creating from liferay vaadin wizard.
Added runtime version validation.