MUMUP-536 : Cleanup some message bundle stuff and go button

Conflicts:
	uportal-war/src/main/resources/properties/i18n/Messages.properties
	uportal-war/src/main/webapp/WEB-INF/jsp/Marketplace/entry.jsp
MUMUP-536 : Restyled modal and added short link for marketplace entry link to...

Conflicts:
	uportal-war/src/main/resources/properties/i18n/Messages.properties
	uportal-war/src/main/webapp/WEB-INF/jsp/Marketplace/entry.jsp