Standalone app: make home indicator disappear correctly after loading

Minor fix in the WAV export feature.

Minor housekeeping

Minor internal fix

Version 2.5 now supports Multi-Output AUv3 in AUM and ApeMatrix!

Minor improvements, built with iOS 11.3 SDK

Minor AU MIDI timing improvement for Garageband

AU MIDI compatibility: pads send out MIDI for real-time recording in your sequencers (this feature requires iOS11 and a compatible host).

- Implemented workarounds for some "Files" and "Open In..." related weirdness
- Minor internal rendering optimizations

Bug fix: toggling Loop Sync would change the current Midi Note Output settings

Thank you for all the kind feedback on my apps. I have now implemented a much-requested feature into all my standalone sequencers: CoreMIDI Out! I hope you'll enjoy it... and please leave a review if you're having fun!

New features:
- CoreMIDI Note Output
- CoreMIDI Master Clock (Clock/Start/Stop)
- Ableton Link to MIDI Clock bridging
- MIDI Thru

- Fixed display bug when running 4.7" screen in Zoomed mode
- Fixed several occasional WAV export issues

Thanks for all the kind feedback on the new Ruismakers!
- GM Keymap button now also selects MIDI output mode of sequencer and exported MID files
- Fixed an AU preset manager bug that could affect the default sounds
- Fixed sound leakage when volume/level was set to 0
- Controlling sequencer with external MIDI controllers now works as expected
- Compatibility enhancements for MultiTrackStudio DAW

We completely overhauled the app:
- added a cool standalone Euclidean sequencer mode (with Ableton Link, MIDI Clock, WAV export etc.)
- upgraded the synth engine
- added a preset manager to the AU plugin
- many more little touches and improvements!

- Fixed an issue where preferences would be erratic in some hosts
- Minor housekeeping

- Performance and compatibility enhancements for new iOS AU hosts

- Reduced memory footprint
- Minor optimizations

- Added "Randomize All" feature
- Randomization of individual channels can be triggered via MIDI
- Double tap in "init" triggers random, double tap on bi-directional knobs centers value on 0
- CPU optimisations and minor fixes