Update to version 11.0 for build-impacting version numbers (and reduce hard-coded references where possible)

Initial PR seed for 11.0 alpha

[Mac] Added TestInput project for testing out various IM approaches

[Mac] If user presses command key, assume context may be out of date

Add kmcomapi.dbg to debug symbol backup

Fix shift key text

Per PR review comment, add to `osk.modifierSpecials`

[Mac] improve UX for config window and clicking KMPs

Tweak wording around packages to note support for iOS and Android. Rename Mac OS X to macOS

[Android and iOS] Update Mobile documentation

Testing section cleanup

Ensure shift key always has some text. `osk.modifierSpecials` doesn't have text defined for basic `shift` so the *shift* key on the shift layer was previously getting `undefined` for text.

Add prereqs to Android readme, and mention KMW for ios readme

[Web] Keyboard state cookie overwritten by first keyboard registration

Finnicky fix for iso8601 time to satisfy the demands of Keyman for iOS

[Android] Change parameter names for firebase logging

Rework the [Install into app] infrastructure and fix bugs

The `.` character isn't allowed in parameter names passed to Firebase analytics. This was flagging Firebase errors when trying to view the events in the Firebase console.

Replacing `cm.` with `cm_` works. (cm is just the naming convention I used for JS ConsoleMessage properties)