Add win32 to platform information
Track more metrics in process.py check
Improve readability of additional metric checks
Rename methods for clarity
Revert PG metric name change

@remh I changed my mind on the metric names. Mostly because we
already have a bunch of rates that don't have a per_sec suffix.
Update a comment regarding log levels
Only try to comment datadog.conf if needed. Useful at first install.
Use the last version of jmxfetch
Fix spelling for nagios check message.
simplify version checking
Add cache hit metrics in cassandra.yaml
Merge branch 'master' of github.com:DataDog/dd-agent
remove debugging
Update setup_agent.sh
fix for issue with slave agent check
fixed agent check in case Slave_running key is not found
made the logic for the Slave_running determination a bit cleaner
Change process io counter access denied message from warning to info
Merge branch 'master' of https://github.com/DataDog/dd-agent into issue_728
Merge pull request #759 from DataDog/issue_728

Issue 728