Switch to using file.title instead of file.accession
Switch to using file.title instead of file.accession

Handle external accessions. Redmine #4684

ENCODE-DCC/encoded,ENCODE-DCC/encoded,ENCODE-DCC/encoded,ENCODE-DCC/encoded,T2DREAM/t2dream-portal,T2DREAM/t2dream-portal,T2DREAM/t2dream-portal,T2DREAM/t2dream-portal