(QENG-6) Beaker DSL `scp_*` commands print the options hash as if...

... it were executed on the command line
- simply remove the option hash from the debug line, it isn't
  appropriate there.
Merge pull request #354 from anodelman/scp-repair

(QENG-6) Beaker DSL `scp_*` commands print the options hash as if...