Change option and messages for showing early releases.
Update Release Notes to correct an error re: zombie reports and include a section for beta 2+ fixes.
- Intent is to prevent clipping of year number for months with long names (September).
- This helps with default font size on my system but may not help on others.
Checks for updates to OSCAR at startup and profile close.
Also allows user to check with Help/Check for updates.
Updates controlled by versions.xml in www.sleepfiles.com/oscar/versions
Also changed layout on various pages so that spacing is not disturbed when stretching vertically
This was an attempt to shrink total dialog height, but that is so far not successful.