fixing imports.
moving events to gmongolib.
fixing imports.
adding metricNamer to gmonglib.
adding invalidEvent exception class for further development.
made metricNamer code live in custom area, but be imported by public code.
baseSender gets datacenter mapping/prepend to metric path by custom class if present, ok if not.
adding tests for basesender.py
mods to lots of files to get imports going right
adding test for git_proto_sender.
moving directory structure to simplify imports, especially for tests.
fixing imports to align to new dir structure.
fixing imports to align to new dir structure.
fixing imports, more.
mods to files, getting imports correct, fixed router's logging.
fixing loggers in senders.
 interim commit, working on getting tests moved from senders into their own test scripts.