Merge branch 'develop'

Minor version bump - Major feature upgrades!

The next release is likely to be 0.6.0.
Added Prolog and VHDL CCR grammars.
JavaScript CCR updates.
VS Code support.
Mostly internal overhaul of Atom support.
Improved Unicode support.

Merge pull request dictation-toolbox#139 from mostlyjason/atom-setting

Adding a setting for how long to wait for Atom palette to load

fixes dictation-toolbox#84, AsynchronousAction and ContextSeeker upgr…

…aded