OPEN - task 1: Improve the messages stored by the Actions Log 
http://github.com/fserena/GLORIAServices/issues/issue/1

RTSHandler exception messages improved.
Also: getCCD(..), getDome(..) ... generalized to getDeviceHandler(..).
OPEN - task 1: Improve the messages stored by the Actions Log 
http://github.com/fserena/GLORIAServices/issues/issue/1

RTS Exceptions management improved.
Some changes in GLORIAInterfaces have been applied.
Partial commit of logenhancement
Many log improvements.
Teleoperation exceptions modified to get them more expressive and
coherent.
Experiment operations & ImageURLRetriever adapted and fixed.
Merge pull request #12 from fserena/logenhancement

Logenhancement