Add Gigaset N510-IP Pro and Yealink V80

[matthias1232]

No description provided.

[matthias1232]

@tm1000
Our Package Server with Packages Yealink V80 and Gigaset available to test:
https://provisioning.powerpro.at/greenepm/v3/

master.json:
https://provisioning.powerpro.at/greenepm/v3/master.json

[tm1000]

1) StackTest::testreplacementall
Undefined index: N510 IP PRO
/home/travis/build/provisioner/Provisioner/endpoint/gigaset/n5x/phone.php:59
/home/travis/build/provisioner/Provisioner/endpoint/base.php:121
/home/travis/build/provisioner/Provisioner/tests/phpunittests.php:177

This is through TravisCI. Something I need to fix, along with this entire project (to probably support PHP 5.6 but at min PHP 5.3)

[matthias1232]

@tm1000
I added another thing.
Snom M700 with Multicell Support and up to 150 Extensions. First Beta