[developer] KeymanWeb 10.0 compiler now computes indexes correctly when deadkey and any used in a secondary group

Merge pull request #1006 from keymanapp/developer-use-bcp47-script-subtags-from-alltags-more-reliably-959

[developer] Script subtags are now appended for more scripts in the Keyboard languages dialog.

[Mac] #994 - Use keyboard names w/ native script from KMX instead of inf

[windows] Getting Started links are no longer relevant.

[Windows][Android][Web] Move "edge" platform test with other browsers

Follow-on to #969

This updates the platformtest.kmn keyboard 
and moves `edge` from `[K_O]` (OS) to `[K_Y]` (browsers)

It seems the *.inf files are not UTF-8, so any non-Roman characters used in keyboard names turn into question marks. The native script name is stored in the kmx file, so getting it from there seems to work.

[windows] Installation of keyboards in Windows avoids some side effects with refresh and additional system keyboards

[Mac] #967 - Make platform tests case-insensitive and support invert logic.

Fixes #975. Fixes #996. Installation of keyboards in Windows avoids some side effects with refresh and additional system keyboards.

[windows] Fixes IKeymanControl::OpenConfiguration giving noop

[Mac] #931 - Made anything that appears to be "LibreOffice" use legacy

Any unrecognized platform tokens will cause it to return false (not a match).

[ios] Frozen keyboard in latest beta

Tweak history.md

[Developer] Update to Unicode 11.0

[ios] If a keyboard.json has no timezone in the last modified date string, then it will still install

Fixes #510. If a keyboard.json has no timezone in the last modified date string, then it will still install

[ios] Cleaning up constraint violations and confused keyboard resizing code