Fix a use of $method in Conduit which is not available in scope
Summary:
This got refactored at some point and lost access to $method. Also make the error a little more helpful.
See https://groups.google.com/forum/?fromgroups=#!topic/phabricator-dev/05voYIPV7uU
Test Plan:
$ arc list --conduit-uri=http://local.aphront.com:8080/ Exception ERR-CONDUIT-CORE: Invalid parameter information was passed to method 'conduit.connect', could not decode JSON serialization. Data: xxx{"client":"arc","clientVersion":5,"clientDescription":"orbital:\/INSECURE\/devtools\/arcanist\/bin\/..\/scripts\/arcanist.php list --conduit-uri=http:\/\/local.aphront.com:8080\/","user":"epriestley","host":"http:\/\/local.aphront.com:8080\/api\/","authToken":1349367823,"authSignature":"54bc136589c076ea06f8e5fb77c76ea7d57aec5b"} (Run with --trace for a full exception trace.)
Reviewers: vrana, btrahan
Reviewed By: vrana
CC: aran
Differential Revision: https://secure.phabricator.com/D3622