Stephen Dade's checklist module.
swap httplib2 with urllib2 so we can download tiles from behind a http_proxy

urllib2 will use http_proxy environment variable if present.
closes #19
Merge branch 'master' of https://github.com/monkeypants/MAVProxy
joystick: support the 'Basic' RealFlight controller
mavsearch is now in pymavlink
remove the old checklist module from this branch

(decruft - it was converted into a package some time ago)
Merge branch 'master' of https://github.com/tridge/MAVProxy into urllib2-wip