AAX save/load patch

[yairadix]

Howdy,

here’s a patch that implements save/load functionality (calls getStateInformation, setStateInformation) for AAX: https://github.com/yairchu/JUCE/commit/48c0b42aa80f164053ab9cb490f945a5a8bc8d5c

cheers! Yair

[jules]

Nice! Many thanks!