Munin contributed plugins

Whitespace cleanup

• remove trailing whitespace
• remove empty lines at the end of files

Create ubiquiti_airfiber_

Multigraph munin plugin to monitor Ubiquiti AirOS F (airFiber) devices various parameters.

It can gather information from AirFibers through Telnet, SSH with password authenttication, or SSH with public key authenttication (not requiring password).