[conformal/btcd] 2bb8c5: Bring back default redirect for profiling.

[Dave Collins]

  Branch: refs/heads/master
  Home:   https://github.com/conformal/btcd
  Commit: 2bb8c5d5cc2c8c3635b0a84d895f1954ff378b54
      
https://github.com/conformal/btcd/commit/2bb8c5d5cc2c8c3635b0a84d895f1954ff378b54
  Author: Dave Collins <da...@conformal.com>
  Date:   2013-10-23 (Wed, 23 Oct 2013)

  Changed paths:
    M btcd.go

  Log Message:
  -----------
  Bring back default redirect for profiling.

Now that the RPC server uses its own mux, bring back the code which does
the automatic 303 redirect for the root of the profile server.