Update bode_shifter_cv_1432.c
Update surround_encoder_1401.c
Merge pull request #996 from ruggiero/stable-1.1

Bug that prevented compilation in Debian testing (jessie)
ZynAddSubFX: imported current head

Imported current head of LMMS-specific ZynAddSubFX source code.

The current code is based on version 2.4.4 of ZynAddSubFX.

HEAD: 9a993c4936ce987bb30f93eee2a573466ece3712
Pattern: add undo/redo support for "Clear all notes" operation in context menu

Simply add a journal checkpoint before clearing pattern.
Improve performance of effect processing, fix autoquit bugs
Also a slight NPH tweak