Fix KMEA uncaught javascript references

Javascript functions defined in keyboard.html need the window loaded before they can be called.

-Also cleaned up formatting in keyboard.html

Fixup issues with devtools.dpr stalling Delphi Starter build

[Mac] Initial check-in to open-source repo

Made changes to allow CI to set version numbers dynamically (similar to changes made in previous repo, but with some refactoring and also included testapp).

Fix Beta and Stable build badges

The CI server is using non-default branches for Beta and Stable builds, so build badges updated accordingly. 

Added #!/bin/sh to indicate that bashHelperFunctions.sh is an executable shell script.

Added build info and readme link for Mac

Made Keyman4Mac (test app) use engine framework properly (and removed Framework files form repo). Minor tweaks to readme and license. Minor improvement to logic in custom build step for IM (for case where engine Framework is present locally but not available in engine's build folder).

Fix #145 - OSK fill from layout freezes, and tweak display of key preview in OSK editor at same time

Fix #145 - OSK fill from layout freezes, and tweak display of key preview in OSK editor at same time

Prevent the build of makejcldbg from stalling a Delphi Starter build

More cleanup

Remove legacy res/ files and AndroidManifest.xml files that aren't used
Remove unused strings (related to previous licensing)

Fix #140 - regression in modifer state management

Start root README.md and add CI badges

Fix build scripts for Linux

n trying to build Keyman for Android on Linux, the following issues needed to be fixed:

Set `build.sh` and `gradlew` scripts to executable

KMEA/build.sh needs an OS check so build.bat is only called on Windows

web/source/build.sh needs $compiler and $copmiler_warnings values in quotes

Cleanup certificate code signing for Windows