fixing concurrency issue with timers and counters
x fix pystatsd/server.py - Deletion of entry in flush causes timer/counter update code to fail with KeyError
Add an option to include an API key for http://hostedgraphite.com
Change to more generic global prefix.
Update global-prefix explanation to include global namespacing as a suggestion
Also shipping and using the /etc/default/pystatsd on redhat systems
Better comments in default and some more options
Merge pull request #82 from vhermecz/master

fixing concurrency issue with timers and counters
Merge pull request #85 from 02strich/master

Adding config file to redhat-based packages as well
Merge pull request #84 from themartorana/hosted_graphite_integration

Add an option to include an API key for http://hostedgraphite.com