raise version
remove wxPython dependency

this breaks pip install on Linux
removed more dependencies

dependencies with pip are basically broken. They don't find system
libs, so end up trying to download and rebuild the world
addec comment on dependencies
graph: fixed graphing of messages ending in a digit
MAVProxy: initial support for logging commands
moved log command handling to a module

try to start a trend
raise version
don't load log module in setup mode
log: prevent flood of log data requests