0.11.1a — bugfixes for MIDI and start-up

This update fixes bugs with MIDI setup, opening and closing the app.

•  Fixed Mac app failing to start from inside DMG installer.
  •  A pop-up appears with instructions for completing installation.
•  Fixed Mac app failing when its name or folder contained spaces.
•  Fixed a security warning with the Windows installer (code signing).
•  Fixed setup "lockout" in safe mode or after switching MIDI device.
•  Fixed a start-up crash ("Size: Failed Memory Allocation").
  •  Improved the message for allocation errors.
•  imitone app-to-app midi is now hidden if not available.
•  Fixed inability to switch MIDI devices in certain situations.
•  Fixed "PortMidi" freeze when changing MIDI output or closing the app.