FREEPBX-7117 - 2.9 has no concept of $no_auth, moving to FREEPBX_IS_AUTH everywhere
Adding Install.php
Merge branch 'release/2.10' into release/2.11

* release/2.10:
  Adding Install.php
  FREEPBX-7117 - 2.9 has no concept of $no_auth, moving to FREEPBX_IS_AUTH everywhere

Conflicts:
	install.php
Merge branch 'release/2.11' into release/12.0

* release/2.11:
  Adding Install.php
  FREEPBX-7117 - 2.9 has no concept of $no_auth, moving to FREEPBX_IS_AUTH everywhere