MUMUP-896 : Add 'add to favorites' to marketplace Go button menu

Conflicts:
	uportal-war/src/main/resources/properties/i18n/Messages.properties
	uportal-war/src/main/webapp/WEB-INF/jsp/Marketplace/portlet/entry.jsp
Merge pull request #340 from timlevett/add_portlet_to_favorite_in_marketplace

MUMUP-896 : Add 'add to favorites' to marketplace Go button menu