explicit int32_t casts for LV2 integer forge
fix up LV2 ttl
prepare dynamic CC assignment changes
use ftgl - currently only help-button
allow CC remapping from GUI + related work on GLfont
debian libftgl deps + font

Note: the font-file is checked for at compile-time
and hence also a compile-time dependency.
prepare saving full config state
function to iterate over programs w/ callback
built-in midnam creation (work in progress)