[linux] ibus keyman fix most things that failed using kmx test keyboards

[Developer] Update kmcomp to migrate languages[] array

[Web] OSK key generation refactor

[linux] put underlying base "us" keyboard into LDML

[Windows] Use RegisterHotkey to (a) simplify hotkeys and (b) avoid serialization issues with modifiers

BACK from buffer if available

also reset hasonlymarker after committing char buffer

use a buffer for multiple CHAR events

BACK clears marker state instead of deleting char if has it

[Windows] Use RegisterHotkey to (a) simplify hotkeys and (b) avoid serialization issues with modifiers

[linux] remove X11 dependency from ibus-keyman

[Developer] Improve handling around overly enthusiastic focus changes with CEF

for any unshifted or shifted key that isn't specified in the kvk

Cleanup and fixes null pointer exception

[Developer] Use keepalive to improve web server performance

[Windows] Add oskbulkrenderer tool to generate sample On Screen Keyboards

[mac] Fix crash #1412 in 10.7 displaying OSK