* ScriptVM (WIP): started to integrate real-time instrument script
support into the sampler engine implementations. The code is
shared among all sampler engines, however currently only the gig
file format supports storing instrument scripts (as LinuxSampler
extension to the original GigaStudio 4 file format).
* gig engine: Added support for loading instrument scripts from .gig
* ScriptVM (WIP): Implemented built-in script variables %CC, $CC_NUM,
$EVENT_NOTE, $EVENT_VELOCITY, $VCC_MONO_AT, $VCC_PITCH_BEND.
* ScriptVM (WIP): Implemented execution of script event handler "init".
* ScriptVM (WIP): Implemented execution of script event handler
* Bumped version (1.0.0.svn42).