MUMUP-889 : Fixed unfavoriting so it unfavorites always

Conflicts:
	uportal-war/src/main/java/org/jasig/portal/layout/dlm/remoting/UpdatePreferencesServlet.java
	uportal-war/src/main/resources/layout/theme/respondr/content.xsl
	uportal-war/src/main/resources/properties/i18n/Messages.properties
MUMUP-891 : Fixed issue with fragment layout usage
Merge fix
Merge pull request #335 from timlevett/unfavorite_fix_remove_function

Unfavorite fix remove function