1) Fix linuxisms regarding usage of test(1) and tr(1)
2) Emulate linux seq(1) utility using misc/seq2 and a wrapper
script (dvdwizard_seq)
3) Use misc/gnuls instead of ls(1) since the application
assumes a specific output format
4) Use multimedia/y4mscaler to convert ppmtoy4m 4:4:4 output
to 4:2:0 required by multimedia/mjpegtools
5) Install README
o Bump PORTREVISION