Add GL implementation limits to hwdetect.
Make the in-game manual support multiple text files.
Remove unnecessary instruction on how to close the manual window.
Make guitextobject.caption return the original value without stripping
formatting tags.
Remove unused non-VFS support from config system.
Support writing config files back to their original path.
Remove unnecessary user profile directory; use normal config directory.
This was SVN commit r8925.
Add buttons to open the web site and IRC.
Tentatively allow Atlas to be launched from the menu.
Add some shutdown functions to support relaunching into Atlas without
having to restart the whole process.
This was SVN commit r7714.
