Added AirMap settings (SettingsGroup)
Added AirMap settings block to General Settings
Create macros to deal with the tedious repetitions within SettingsGroup
Removed old, hacked in setting for AirMapKey
Remove a few of the tons of build warnings

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

For whatever reason, showing the dialog through a function causes a crash in QML (undebugable--new word!)

This reverts commit 52160d80.

Internet available now has a signal

Fixed inverse logic in camera parameter retry count
Skip close timeout if not Windows

Remove/comment off debug output pollution

This reverts commit 6620f803.

- Added menu options to select new mode as well as new settings and defaults

Helps battery life

Icon is not visible if no GPS is connected
Icon is red, as long as survey-in is active