CESNET/perun — pull request #282 by stavamichal (2014-05-15 13:33:11+00:00)
Title: Fix throwing exceptions in methods updateUser and updateNameTItles

- do not throw internalErrorException in impl when lastName is null, instead of it throw exception in entry and user IllegarlArgumentException
- if user is not updated, do not throw exception
- if user is not updated, do not log msg to auditerLog
- fix tests for these methods