-Test coverage was no longer triggered due to the check for BUILD_GOOS
environment variable that was removed. Removed the check.
-Re-run test package with server code coverage.
-Remove unused functions in test.go.
-Add test for a function in test.go.
-Add missing parse +OK test.
- The number of outstanding PINGs is now reset whenever the server
receives a PONG from the client.
- Updated parser test to check c.pout.
- Added a test to check for unprompted PONGs.
Resolves issue: https://github.com/nats-io/gnatsd/issues/168
Make sure we do the right thing when no args are presented for an MSG, e.g. MSG <spc>.
Also do not parse at all of this is a client, only valid for routes.
