Enables users the ability to add Mktplace ratings

Also has a mechanism that allows the ability to
retrieve average ratings and display them.  The
ability to aggregate the data is not in currently.

Conflicts:
	uportal-war/pom.xml
	uportal-war/src/main/java/org/jasig/portal/portlets/marketplace/MarketplacePortletDefinition.java
	uportal-war/src/main/java/org/jasig/portal/portlets/marketplace/PortletReleaseNotes.java
	uportal-war/src/main/webapp/WEB-INF/jsp/Marketplace/entry.jsp
	uportal-war/src/main/webapp/media/skins/common/common_skin.xml