pyterm: ignore lines based on regex
pyterm: prefix pyterm commands with /
pyterm: configure baudrate
pyterm: added twisted based JSON sending
pyterm: fix program exit procedure, disable SIGINT
pyterm: remove unnecessary debug output
pyterm: allow spaces in JSON regex
pyterm: distinguish between int and string in JSON sending
pyterm: use writeSomeData to send data immediately
pyterm: integrated changes from @mehlis' testbed-controller branch
pyterm: enable saving and setting of  init commands at runtime
pyterm: handle serial disconnect

* will reconnect automatically if possible after a disconnect
* resolves #910
pyterm: cosmetics

* replaced tab with white spaces
* removed trailing white spaces
pyterm: set default verbosity to info
pyterm: always perform input preprocessing
pyterm: split up input processing into separate functions
pyterm: fixed usage line for /alias
pyterm: introduced trigger actions
pyterm: use logger instead of print
pyterm: increase verbosity for alias command