Less magical adapters.
Minor code clean up.
Restore connection caching/thread.
update adapter unit tests.
Fix reconnect issues.
Better naming.
cloud added to messaging package.
Limited use of URL; adapter priorities fixed.
Fixed plugin broker settings.
Use URL.__str__() instead of url.input.
Convert stubs to use synchronized decorator; method no longer using protected send().
Merge pull request #25 from jortel/ghost-cloud

Ghost cloud