Add reference to keyman engine binary

Created web's history.md file based on help.keyman.com's listed history.

Updated 'readme.MD' with details on how to run the app on a physical device without team code-signing permissions.

* Correcting typos.

* Formatting.

* Corrects instructions regarding app group settings.

* Minimum required iOS version.

* App Group name typo.  :(

* Forgot formatting.

Fixes to web set up

Fix android build script for MacOS and update README

[Web] Fixes unexpected '%' insertion in compiled UI code.

Update README files

root README
-Add iOS CI build status
-Organize according to desktop and web/mobile platforms

web/README
- Reorder content to a *Minimum Web Requirements* section

ios/README
- Add some formatting

Fix for 2 keyboards being displayed when closing Keyman browser to Keyman for Android

[Mac] Changed to use lowercase "k" when generating DMG file.

Removed stray f from first line

[Mac] Changed to use lowercase "k" when generating DMG file.

cleanup back to original code

Ios iphone 7 system keyboard width regression

Merge remote-tracking branch 'origin/ios-build-sh-enhancement' into ios-iphone-7-system-keyboard-width-regression

iOS css for embedded regression