Allow use of seqfetcher as alternative to use of pfetch (changes from revision 1.16.4.29 ported from branch-ensembl-7 to HEAD).
Allow use of seqfetcher as alternative to use of pfetch (changes
from revision 1.16.4.29 ported from branch-ensembl-7 to HEAD).

willmclaren/ensembl,Ensembl/ensembl,Ensembl/ensembl,at7/ensembl,mjg17/ensembl,james-monkeyshines/ensembl,danstaines/ensembl,mjg17/ensembl,james-monkeyshines/ensembl,mjg17/ensembl,james-monkeyshines/ensembl,muffato/ensembl,at7/ensembl,muffato/ensembl,mjg17/ensembl,danstaines/ensembl,at7/ensembl,danstaines/ensembl,Ensembl/ensembl,muffato/ensembl,Ensembl/ensembl,james-monkeyshines/ensembl,at7/ensembl,muffato/ensembl,willmclaren/ensembl