Removal of the "sample-exact controllers" and "anti-aliasing oscillators" qualitysettings.
Merge pull request #739 from diizy/master

Removal of the "sample-exact controllers" and "anti-aliasing oscillators...
InstrumentFunctions: fix base note playback in chords

As of 6650dd356dbdd08739ad69153b0c7020e39787b9 base notes are not played
anymore when chords are enabled. Therefore create a separate NotePlayHandle
for the base note like we do for all other notes in the chord.
Fix globalautomationvalueat and coding style
Merge pull request #748 from diizy/master

Fix globalautomationvalueat and coding style
ZynAddSubFX: imported current head

Imported current head of LMMS-specific ZynAddSubFX source code.

HEAD: c38c705ea40914f6bd63f799ab8dad91411a93c0
initial work on LV2 support
LV2 support: plugins load and run; MIDI and GUI still broken
more work on LV2 support

Arbitrary plugins can now be loaded (no UI option for that yet).
LV2 support: refactoring
lv2: check if a plugin exists
lv2: fix noteoff issues by some mutex magic
typo
LV2: temporary UI for loading plugins
LV2: use SubPluginFeatures
LV2 features are now members of Lv2Base
initial LV2 state saving and loading. quite broken. may leak.
doesn't leak as much now.
lv2 features
more uri mapping