Update emitter's get_opener for new proxy_settings
Now is proxy_settings['field'] is not configured, proxy_settings will not
have key 'field'. Before, proxy_settings['field'] was None in this case.
Fix another proxy_settings-related bug in emitter
Add a network timeout to the mongo connection. Fix #627
A few fixes to the GUnicorn check

Fix a missing return statement
Add more fault tolerance
Remove unnecessary test as it can be performed by the "check" command
Fix typo
Made http_check aware of tags passed in the yaml, instead of using the URL as a sole tag.
Fix proxy configuration

Fix #638
Fix comment
Made http_check aware of tags passed in the yaml, instead of using the URL as a sole tag.
Merge branch 'master' of github.com:ordenull/dd-agent
Fixed mistakes in the http check.
Raise an exception is varnish check is not properly configured
Merge pull request #647 from ordenull/master

Made HTTP check tag aware
Show checks.d/conf.d location in the info page
Fixes issue #603
Change exit status if path not found, simplify exception handling
Added to web info page