Get swap metrics from FreeBSD system
Add IO latency metrics for FreeBSD
Update the WMI check to checks.d and with deeper configuration
fix some errors in the wmi conf.d docs
WMI: Add special-case metric that's always 1 for any query result
Merge pull request #359 from DataDog/updated_wmi_check

Update the WMI check to checks.d with further configuration
Add a simple method for testing your own checks.

Testing is now as simple as putting the py and yaml file in the right
place, then running:

>>> from tests.common import run_check
>>> run_check('my_new_check')
Move run_check to the checks module
Fix some imports for get_check
Update WMI check to allow fuzzy search with LIKE
Merge branch 'updated_wmi_check'
Merge pull request #361 from DataDog/freebsd_io

New FreeBSD IO metrics
log host metadata on the first run
Merge branch 'master' into proxy
Add a logging line for windows debug purposes