Changes

Performs minor refactorings in JSF and Service code
JSFController has been removed and a Singleton JSFPathPageUtils has been 
created to replace its functionality. EventType -> Icon mapping has been 
factored out of IndexPageController into an EventMappings Singleton.
Both of these have been moved into a utils package inside the jsf
sub-project.
At the service layer, util classes (exceptions and mailers) have also
been moved into a utils package, which implies changing the imports on
every other Enterprise Bean that uses them and in the testing beans.xml
configurations.