AUFX series all get new MIDI features and more

The full range of AUFX apps, that's AUFX:Dub, AUFX:PeaKQ, AUFX:Space, and AUFX:Push, get some very nice MIDI features and more, here's what's new

• Bypass button is now MIDI controllable.
• Improve MIDI control of toggle buttons.
• Support MIDI program change to switch between presets.
• New Audio Settings menu with input gain, buffer size and measurement mode.
• Receive from multiple MIDI inputs at once.
• Receive IAA MIDI with new Remote Music Effect port.
• Save/Load MIDI mapping setups.
• Add Inter-App Audio app switcher view on iOS8.
• Updated Audiobus SDK and TAAE.
• Minor fixes and tweaks.

And also for AUFX:Dub, there's ...

• Add Audiobus trigger for "mute input" toggle.