Zentyal/zentyal — pull request #1171 by javierag (2014-03-16 12:32:18+00:00)
Title: RPCProxy download certificate fixes

- Recovered download certificate code lost in merges, fixed soem errors with it
- Relaxed preocnditions of rpcproxy module
- When requesting from type a non-existing value use acquirer if it is a volatile type (needed for forms with volatile types like rpcproxy form)