[SimlarCallState] Code Cleanup: now uses "equals" to compare LinphoneCall.State
[LinphoneThread] Code Cleanup: now uses "equals" to compare LinphoneCall.State
[LinphoneThread] Code Cleanup: now uses "equals" to compare RegistrationState
[SimlarService] Code Cleanup: now uses "equals" to compare RegistrationState
[SimlarStatus] Code Cleanup: now uses "equals" to compare RegistrationState
[CallActivity] Code Cleanup: added some finals
Merge pull request #66 from simlar/codecleanup-comparison-of-registrationstate-and-call-state-pullrequest

Code Cleanup: comparison of RegistrationState and LinphoneCall.State pullrequest