[Windows] Minor tweak to release build check and correct kmcomp command line help

[Developer] Add support for editor options and themes

[linux] bash tab completion

[Android] Refactor KMEA Keyboard JS handlers

[Developer] Add links to online help for New Project

[Developer] Treat files without preambles as UTF-8 unless they have non-UTF-8 sequences in them

[Windows] Serialized input: don't trigger on console windows

[Developer] Tidy up error reporting from web script errors

[Developer] Show full Unicode code points in debugger status bar, handling surrogate pairs

[Developer] Tweaks to setup user interface

[Developer] Project - List other files, such as .keyboard_info, in Distribution tab

[Developer] Opening or creating a new project saves and closes open editor files

[Developer] Fix crash opening text files such as foo.keyboard_info

[Developer] Project templates do not include icon by default

[Developer] Support Linux targets when building .kmx

[Developer] Reduce installer size for Keyman Developer

as the short ones don't exist when there is a long one

Refactor common JS interface functions from `KMInAppKeyboardJSHandler` and `KMSystemKeyboardJSHandler` into a base class `KMKeyboardJSHandler`.

They still need to implement `setIsChiral` and `insertText`.

add completion for km-kvk2ldml options

create empty file if nothing in cache and no network
get the file if network comes back

to find directory names of kmps instead of kmxs