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
Enable autocommit in psycopg2 connection to get actual values
Merge pull request #764 from DataDog/mysql-check-fix

Mysql check fix
Bump version to 4.0.1
Merge branch 'v4.0.x_stable' of github.com:DataDog/dd-agent into v4.0.x_stable
Break ternary condition for 2.4 compatibility
Fix source install script by using new version of virtual env and manualling install pip and setuptools
Stop being too verbose
Merge pull request #783 from DataDog/fix_source_install

Fix source install and merge 4.0.1 into master