Renamed desktop_sharing.depth to color_depth global setting

Ignore-this: acd5014e6c2667fdb1b656166b7d6d07

darcs-hash:20090318185702-1e3d8-173338bf714a38eb414eb666617ce52750b9669c
Removed port comparison from account contact matching

Ignore-this: 24bb50fe70a5cd08ccfa44a20404745e

darcs-hash:20090318191959-1e3d8-a7c65b18faffd15abfc8ab8ad60900e0a0947963