[SimlarNumber] Code Cleanup: improved logging
[LinphoneHandler] Code Cleanup: improved logging
[SimlarService] Code Cleanup: improved logging
[LinphoneThread] Code Cleanup: improved logging
[LinphoneThread] Code Cleanup: added private
[LinphoneThread] Code Cleanup: moved function isOnline()
[LinphoneThread] Code Cleanup: moved method unregister()
[LinphoneThread] Code Cleanup: now uses an impl
[ALL] Code Cleanup: improved exception logging
[LinphoneHandler] improved Audio Codec exception handling
[Version] splitted out new class from Util
[LinphoneHandler] now sets correct version in the user agent
Merge pull request #43 from simlar/codecleanup-pullrequest3

Code Cleanup: logging and more