Merge pull request #155 from andrew-elder/staging

v0.5.0
Merge pull request #157 from andrew-elder/staging

avdecc-liib_v0.6.0
add register/deregister unsolicited notifications commands.  Add to callback method to announce received unsolicited response.
add register/deregister unsolicited notifications commands.  Add to callback method to announce received unsolicited response.
add register/deregister unsolicited notifications commands.  Add to callback method to announce received unsolicited response.
add register/deregister unsolicited notifications commands.  Add to callback method to announce received unsolicited response.
Merge pull request #160 from vronchetti/Unsolicited

Unsolicited
Fix Release mode bug.  Remove proc_adpdu() method from assert().
Merge pull request #163 from vronchetti/Release_issue

Release Mode Bug fix
v0.6.1
add travis.sh script