fluidsynth 2.0.2

• fix building fluidsynth without any audio drivers (#447)
• fix a possibly misaligned memory access in the soundfont loader (#457)
• fix a memory leak in the pulse audio driver (#458)
• fix a NULL deref in the coreaudio driver (#458)
• use cmake to query for DSound and WinMidi support (#449, thanks to @carlo-bramini)
• remove an unintended MFC dependency header (#449, thanks to @carlo-bramini)
• include Windows DLL version info for MinGW builds (#449, thanks to @carlo-bramini)
• implement midi.autoconnect for jack (#450, thanks to @ColinKinloch)
• add a cmake option to disable multi-threading (#463, thanks to @carlo-bramini)