Fixed the thesis juri approval e-mail. It is now sent only to the juri and student, it contemplates up to 4 vowels and has a proper english version.
Updated thesis mail content and reciepients.
Merge branch 'develop' of https://github.com/FenixEdu/fenix into fix/thesisApprovalMail

Conflicts:
	src/main/java/net/sourceforge/fenixedu/applicationTier/Servico/scientificCouncil/thesis/ThesisServiceWithMailNotification.java
Fixed MessagingResources mangling.
Merge pull request #493 from gil-l/fix/thesisApprovalMail

Fix/thesis approval mail