Added ability to manually attach/fetch supporting features to/from Transcripts.
Added ability to manually attach/fetch supporting features to/from
Transcripts.

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