Update ical4j version

  * This version removes a bad dependency
Cleanup: Remove unnecessary dependency
Bug Fix: Add missing resource declarations for the misbehaving GEPResources
Cleanup: Removing duplicated/unnecessary dependencies
Cleanup: Removed commons-lang impersonating StringUtils
Add pre-migration instructions
adding a logout button to the fenixEduBar when the user is not logged
Adding a new initiali page to the fenixEduProject
correcting small bug of paddings on the fenixedubar
fenixEduIndex
fenix edu logo in svg
added a missed import of css to the fenixeduBar