Add option for default score matrix
fix bug in setting of flycircuit.datadir option
set default score matrix to kcs20scores bundled with flycircuit package
Merge branch 'feature/default-scoremat'

* feature/default-scoremat:
  set default score matrix to kcs20scores bundled with flycircuit package
  fix bug in setting of flycircuit.datadir option
  Add option for default score matrix
remove remoteloc test and add scoremat one
fix broken help crossref
fix broken test for option state
fix missing import from ff