Merge pull request #5 from onovy/master

Cosmetics.
Update REAME.md with new graph previews
Put project under MIT License
Add Info on how to resolve dependencies
Allow connecting to Tor using a socket file
Fixed the exit value if env.connectmethod has an invalid value, and
added documentation on configuring the connecting to README.md
Fixed a typo (deamon -> daemon)
Removed invalid configuration option graph_type from TorTraffic.
Merge pull request #7 from frh/master

Allow connecting to Tor using a socket file
Refactor CONNECTMETHOD Environment Variable Parsing

(see http://python.net/~goodger/projects/pycon/2007/idiomatic/handout.html#dictionary-get-method)
Add 'dormant' plugin to suggestions and remove some unnecessary variable initializations
Add missing shebang.
Add plugin for measured bandwidth.
Add plugin for relay flags.
Revert "Add missing shebang."

This reverts commit aebe8bba4969924483c6d203efbb6bbd7697256b.
Dict comprehension for flags conf, and rename variable.
Merge pull request #8 from frh/master

Plugins for measured bandwidth and relay flags
Prevent peaks in traffic graph when restarting tor daemon.

For not losing current data, do:
cd /var/lib/munin/<DOMAIN>
mv <HOST>-tor_traffic-read-c.rrd <HOST>-tor_traffic-read-d.rrd
mv <HOST>-tor_traffic-written-c.rrd <HOST>-tor_traffic-written-d.rrd
rrdtool <HOST>-tor_traffic-read-d.rrd --data-source-type DERIVE
rrdtool <HOST>-tor_traffic-written-d.rrd --data-source-type DERIVE