Authors: Guy L. Albertelli <galberte@neo.lrun.com>, Aric Stewart <aric@codeweavers.com>, Dmitry Timoshkov <dmitry@codeweavers.com>
Misc fixes:
- cache text metrics for the font we're using
- improved item hit detection
- more debugging output
- implement LVM_SETICONSPACING
- lots of bugs squashed