bcat: Fix settings access

telemetry_session: Fix settings accesses

So this is what I get for testing with the web service disabled.

touch_from_button: Fix settings access for clang

Creates a new BasicSettings class in common/settings, and forces setting
a default and label for each setting that uses it in common/settings.
Moves defaults and labels from both frontends into common settings.
Creates a helper function in each frontend to facillitate reading the
settings now with the new default and label properties.

Settings::Setting is also now a subclass of Settings::BasicSetting. Also
adds documentation for both Setting and BasicSetting.

* Add missing includes

* Add array

- Removes a dependency on core and input_common from common.

Migrates over warnings as errors for input common to match how the
common library treats warnings as errors.

Makes the input_common code warnings consistent with the rest of the
codebase.