Fixes --dry-run returning "Unknown arguments"

It appears --dry-run didn't work at all, but its equivalent
argument, --test, does work. This seems to be a limitation of
docopt. Removing --dry-run should be backwards compatible since
it didn't work.
Merge pull request #324 from briancline/dry-run-a-little-too-dry

Fixes --dry-run returning "Unknown arguments"
add missing managers in docs
adding missings maangers in docs
adding missing managers
add missing managers
Merge pull request #327 from Neetuj/issue1

adding missing managers in documentation
Fixes messaging byte json loading issue
Merge pull request #328 from sudorandom/message-queue-bytes

Fixes messaging byte json loading issue