Added preprocessor macros for supported #realtimeComponents keys
Converted MWServer's XIB to Xcode 5 format
Fixed typo in title of Server Network Preferences window
First pass at server setup variables window
Server setup variables window now supports display selection
"Redraw on every refresh" setting in server setup variables window is now read-only
Reorganized server setup variables window a bit
Merged server preferences and setup variables windows into a single "Preferences" window
Added ComponentRegistry::hasFactory method.  Server preferences window usability improvements.