Converted Structure Scan to use CameraCalc such that it now works with
camera specs.

Also hand carried text to speech changes from Stable to master. Plus
unit tests for that.

This reverts commit 52160d80.

Switch test from 8.8.8.8:53 to "www.github.com:80"

Update the user model to a single controller instead of multiple

Instead of hardcoded "QGroundContorl" strings

No more user prompting

Convert bool settings to SettingsFact