Throw Exceptions in ServiceBase->loginCas(..)
Correct indentation and add new Exceptions
Merge branch 'logincas-exceptions' of github.com:trecouvr/server into tom

Conflicts:
	class/ServiceBase.class.php
Merge branch 'logincas-exceptions' of github.com:trecouvr/server into tom

Conflicts:
	class/ServiceBase.class.php
Adjust indentation
Merge pull request #131 from trecouvr/logincas-exceptions

Throw Exceptions in ServiceBase->loginCas(..)