Fix error due to incorrect include.
Address ISLANDORA-860
Merge pull request #513 from ruebot/7.x-ISLANDORA-860

Address ISLANDORA-860
Attempt to get use the new drush release.
Merge pull request #515 from adam-vessey/7.x-new-drush-from-composer

Use a newer drush release (also, get it with composer).
Merge pull request #517 from adam-vessey/7.x-UC-15

Fix error due to incorrect include.
stray include removal
Merge pull request #519 from willtp87/7.x

stray include removal
removing deprecated function islandora_datastream_get_delete_link
removing deprecated function islandora_datastream_edit_get_link
removing deprecated function islandora_datastream_get_download_link
removing deprecated function islandora_datastream_get_view_link
Merge pull request #520 from willtp87/7.x.deprecation

removing deprecated function islandora_datastream_get_delete_link
better xsl handling
Merge pull request #521 from willtp87/7.x.mimes

better xsl handling
I suppose we should have warc in here if we have a web archive solution pack.