Bugfixes and new features

New: changed logo from zweifarbton to tschoepler
New: updated some mouse-over hints
New: added drop-down menu to select compositions from last opened folder
Change: Sequencer listens to BPM changes and resync made from within
Resolume
Bugfix: Resolume sends BPM changes, resync and pause to OHM2Resolume
via OSC
Bugfix: change port and ip of OSC-connection
Bugfix: buffer exceeds when recording with sequencer
Bugfix: Fixed link in help section to „Dashboard correct“
Bugfix: patcher would light up buttons but not pass MIDI from OHM64
Clean up: Improved some unnecessary code