protocol: declare transport protocol name

We add an attribute to the HTTP and SSH protocol implementations
identifying the transport so future patches can conditionally
expose capabilities on a per-transport basis.

mercurial/hgweb/protocol.py

@@ -30,6 +30,8 b' class webproto(wireproto.abstractserverp'
         self.req = req
         self.response = ''
         self.ui = ui
+        self.name = 'http'
+
     def getargs(self, args):
         knownargs = self._args()
         data = {}

mercurial/sshserver.py

@@ -26,6 +26,7 b' class sshserver(wireproto.abstractserver'
         self.lock = None
         self.fin = ui.fin
         self.fout = ui.fout
+        self.name = 'ssh'
 
         hook.redirect(True)
         ui.fout = repo.ui.fout = ui.ferr