This patch changes the format of the TestData.setParameters variable we
pass to the mongo shell from within resmoke. We now pass this value as a
JavaScript object, where keys are parameter names and values are the
values to set for that parameter. Additionally, we also consolidate the
hard-coded 'logComponentVerbosity' default settings into resmoke, instead of
having them mixed between servers.js and resmoke's programs.py. Now, any
mongod processes started either directly by resmoke or via a mongo shell
that was started by resmoke will receive default log verbosity settings
from a value defined in resmoke.