Description: Do not rely on path location relative to barrnap executable 
--- a/bin/barrnap
+++ b/bin/barrnap
@@ -14,9 +14,14 @@
 my $AUTHOR = 'Torsten Seemann <torsten.seemann@gmail.com>';
 my $URL = 'https://github.com/Victorian-Bioinformatics-Consortium/barrnap';
 my $DBDIR = "$FindBin::RealBin/../db";
+if ( ! -e $DBDIR) {
+  $DBDIR = "/usr/share/barrnap/db";
+}
 my $OPSYS = $^O;
 my $NHMMER = "$FindBin::RealBin/../binaries/$OPSYS/nhmmer";
-
+if ( ! -e $NHMMER ) {
+  $NHMMER = "/usr/bin/nhmmer";
+}
 my %KINGDOM = (map { substr($_,0,1) => $_ } qw(bac arc euk mito));
 my %LENG = (
   "5S_rRNA"  =>119, "16S_rRNA"=>1585, "23S_rRNA"=>3232,