Update submit_datapackage_archive
fix other repo's link in File details page
fix the download link of other repo in data package page
add a files in the item box for external repo
delete ?format=html from other repo's link
change box name to find item in other repo
add message in message.xml
remove format=html from integrated-view file
Merge pull request #608 from yonghaoy/fixed-other-repo-150

Fixed other repo's link
Merge pull request #609 from yonghaoy/external-repo-231

add a files in the item box for external repo
Merge pull request #526 from saramannheimer/patch-17

Update language to be more punchy and recommend the full URL citation http://doi.org/10.xxxx