More functionality in "gf -server" mode

"gf -server" mode now includes PGF service and the services to support
example-based grammar writing. (But gf -server is not quite ready to replace
pgf-http yet...) 

Also bumped GF version number to 3.2.10-darcs

src/server/RunHTTP.hs

@@ -1,4 +1,4 @@
-module RunHTTP(runHTTP,Options(..)) where
+module RunHTTP(runHTTP,Options(..),cgiHandler) where
 import Network.URI(uriPath,uriQuery)
 import Network.CGI(ContentType(..))
 import Network.CGI.Protocol(CGIResult(..),CGIRequest(..),Input(..),