Updated ZynAddSubFX instrument presets

Taken from upstream repository with HEAD at 7e14a008bdc671341843ea720ed.
configManager: save config every time recent project list is updated

fixes #1014
Merge pull request #1023 from grejppi/stable-1.1-recentlist

configManager: save config every time recent project list is updated
Merge pull request #1028 from diizy/stable-1.1

Change redo shortcut from ctrl-r to ctrl-y
Merge pull request #1029 from diizy/stable-1.1

AFP improvements
Italian Localization Update

All the strings present in the source are updated.
Merge pull request #1031 from DeRobyJ/stable-1.1

Italian Localization Update
Monstro: optimize
Rewrote handling of modulators so that we don't have to allocate extra buffers for every note - should improve performance and make cpu usage more consistent