abcmidi: 2018.02.22 -> 2018.03.08

Semi-automatic update generated by https://github.com/ryantm/nix-update tools. These checks were done:
- built on NixOS
- ran `/nix/store/3r7nwg28yy402gl01m9b14h5j865365g-abcMIDI-2018.03.08/bin/abc2abc -h` got 0 exit code
- ran `/nix/store/3r7nwg28yy402gl01m9b14h5j865365g-abcMIDI-2018.03.08/bin/abcmatch -h` got 0 exit code
- ran `/nix/store/3r7nwg28yy402gl01m9b14h5j865365g-abcMIDI-2018.03.08/bin/mftext -h` got 0 exit code
- ran `/nix/store/3r7nwg28yy402gl01m9b14h5j865365g-abcMIDI-2018.03.08/bin/mftext --help` got 0 exit code
- ran `/nix/store/3r7nwg28yy402gl01m9b14h5j865365g-abcMIDI-2018.03.08/bin/mftext help` got 0 exit code
- ran `/nix/store/3r7nwg28yy402gl01m9b14h5j865365g-abcMIDI-2018.03.08/bin/mftext -V` and found version 2018.03.08
- ran `/nix/store/3r7nwg28yy402gl01m9b14h5j865365g-abcMIDI-2018.03.08/bin/mftext -v` and found version 2018.03.08
- ran `/nix/store/3r7nwg28yy402gl01m9b14h5j865365g-abcMIDI-2018.03.08/bin/mftext --version` and found version 2018.03.08
- ran `/nix/store/3r7nwg28yy402gl01m9b14h5j865365g-abcMIDI-2018.03.08/bin/mftext -h` and found version 2018.03.08
- ran `/nix/store/3r7nwg28yy402gl01m9b14h5j865365g-abcMIDI-2018.03.08/bin/mftext --help` and found version 2018.03.08
- ran `/nix/store/3r7nwg28yy402gl01m9b14h5j865365g-abcMIDI-2018.03.08/bin/yaps -h` got 0 exit code
- ran `/nix/store/3r7nwg28yy402gl01m9b14h5j865365g-abcMIDI-2018.03.08/bin/abc2midi -h` got 0 exit code
- ran `/nix/store/3r7nwg28yy402gl01m9b14h5j865365g-abcMIDI-2018.03.08/bin/midi2abc -h` got 0 exit code
- ran `/nix/store/3r7nwg28yy402gl01m9b14h5j865365g-abcMIDI-2018.03.08/bin/midi2abc --help` got 0 exit code