WebAUGUSTUS not accepting correclty formatted hints file

[KatharinaHoff]

A user informed us that WebAUGUSTUS currently rejects his hints file wiht source=M hints. The file looks like this:

CTG93    EVMpout    start    124803    124805    0    -    0    source=M
CTG93    EVMpout    CDS    124698    124805    0    -    0    source=M
CTG93    EVMpout    intron    124654    124697    0    -    0    source=M
CTG93    EVMpout    CDS    124534    124653    0    -    0    source=M
CTG93    EVMpout    intron    124474    124533    0    -    0    source=M
CTG93    EVMpout    CDS    124412    124473    0    -    0    source=M
CTG93    EVMpout    intron    124369    124411    0    -    0    source=M
CTG93    EVMpout    CDS    122295    124368    0    -    1    source=M
CTG93    EVMpout    stop    122292    122294    0    -    0    source=M
CTG12    EVMpout    genicpart    690262    690753    0    -    .    source=M
CTG12    EVMpout    start    690751    690753    0    -    0    source=M
CTG12    EVMpout    CDS    690372    690753    0    -    0    source=M
CTG12    EVMpout    intron    690330    690371    0    -    0    source=M
CTG12    EVMpout    CDS    690265    690329    0    -    2    source=M
CTG12    EVMpout    stop    690262    690264    0    -    0    source=M```

We need to check whether this is a format validation bug.