Fix 49334: gopher support, minor restructuring of directory viewer. necko: r=darin,dougt sr=rpotts other: r=waterson,mstoltz,jag sr=alecf

Fix 70404: assertions or datetime and finger. r=dougt, sr=rpotts

Both patches by Bradley Baetz (bbaetz@cs.mcgill.ca)

caps/src/nsScriptSecurityManager.cpp

@@ -608,6 +608,7 @@ nsScriptSecurityManager::CheckLoadURI(nsIURI *aSourceURI, nsIURI *aTargetURI,
         { "data",            AllowProtocol },
         { "keyword",         DenyProtocol  },
         { "resource",        DenyProtocol  },
+        { "gopher",          AllowProtocol },
         { "datetime",        DenyProtocol  },
         { "finger",          AllowProtocol },
         { "res",             DenyProtocol  }