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 various GUI pieces (exit button, resource counts, unit details).
Clean up implementation of button panels.
Split some content out of 'common' and into page-specific files.
Delete some obsolete content.
This was SVN commit r7337.
