Trying out some new colors.
Hooking key down event for secondary notes.

This allows us to catch keypresses if the user is typing in the secondary box.
+AppController blank class.
+IEnvironmentAdapter and empty impl.
AppController now exits the app if arguments are null. +test
Now exits if arguments are empty. +test
Extracting dependency wire-ups into the App start event handler.

This now occurs outside the use of VML, so it doesn't depend on the
window being created. We'll be using pre-window DI shortly and
couldn't depend on the window being created.
+Wireup for Environment Adapter.
+Real implementation for EnvironmentAdapter.
Now calling AppController to read arguments and commit message file.