add 'Mubox.Extensibility'
add 'ActiveClientChanged' event to 'TeamSettings'
add 'DisplayNameChanged' event to 'ClientBase'
reworking UI, no functional change
add 'ExtensionManager' to 'Mubox'
integrate 'Extensibility' with 'QuickLaunch'
remove *.odb from .gitignore
include 'Console Extension" as Content
explicitly ignore extension deps via .gitignore
add "Console Extension" to solution
refactors to pass input events to extensions
clean-up of console code, style and behavior
relocated winapi and refactored some of the input chain for extensions
fix mouse click/doubleclick detection