- Really start the monitor on pyudev.Monitor.poll()
    - Force non-blocking IO in pyudev.Monitor to avoid blocking on receiving the device
    - Set proper flags on pipe fs
    - Handle irregular polling events properly
    - Rename MonitorObserver GUI classes and deprecate the old ones
    - Remove patches for #1170337 and #1230773 that are now part of upstream
    - Switch to new packaging guidelines which renames python-pyudev to python2-pyudev