Also modifies manager version to be displayed in window title.
Detected starsector version is displayed in pseudo-title bar.
Manager updates generate a popup on app start if they are detected, and
will always be accessible from the settings page if detected.
I have changed way too much at once in this commit.
Fixes #104
Also modifies manager version to be displayed in window title. Detected starsector version is displayed in pseudo-title bar. Manager updates generate a popup on app start if they are detected, and will always be accessible from the settings page if detected. I have changed way too much at once in this commit. Fixes #104