[Web] Basic mnemonic keyboard support

[Mac] #770 Added logic to hide OSK when Keyman is no longer active IM.

[windows] Keyman Desktop Setup restarting Windows pathway is a little unclear if user chooses not to restart

[windows] Implement IKeymanKeyboardFile.DefaultHotkey

Fixes #374, Keyman Desktop restarting Windows pathway is a little unclear if user chooses not to restart

[windows] Fixes a crash in Keyman Configuration if the focused element has no id

[android] cleanup console log

Fixes #748

* Remove nearly all uses of `Log.d()`
* Disable `window.console.log()` calls in `keyboard.html`

[Mac] #768 - Added "Use verbose Console logging" option.

[windows] Add script lookup to "Add Language" dialog so end user experience is improved.

[Web] CODE_BEEP in stores

[Android] Update string handling for PackageProcessor

Merge pull request #831 from keymanapp/windows-configuration-crashes-when-ampersand-in-keyboard-name-5507

[windows] Fixes ampersand in keyboard name can cause Keyman Configuration to crash

[windows] Fixes crash starting Keyman Configuration if high bit is set in underlying keyboard id

Fixes sillsdev/keyman-issues#5507, ampersand in keyboard name can cause Keyman Configuration to crash

[windows] Fix sporadic crash in Keyman when updating keyboard icon in OSK