#1640: Handle biblio fields. Handle multiple usages of file in text field.
#1640: add image fields to list of field types to check
#1640: Set count for biblio nodes.
#1640: Rewrite file usage finding function to take a node instead of a file.
#1640: Saving progress.
#1640: Handle case where a node has no space.
#1640: Increase limit. Adjust delete conditions.
#1640: Rearrange how spaces are handled.
#1640: Check file exists.
Merge Scholar-3.x
#1640: Delete file_usage records for nonexistent nodes, and files that are not through imagefield_crop.
#1640: Bug fixes to the file finder function.
#1640: Weirdness with escaped strings in sql queries. Remove debugging lines.
Merge branch 'SCHOLAR-3.x' into 1640-reviving_file_usage_update
remove IE8 test background color. #2791
add patch for og_moderation #3830
header class names fixed. #3833
Merge pull request #3832 from openscholar/3830-patch1

add patch for og_moderation #3830
Merge branch 'SCHOLAR-3.x' into SCHOLAR-3.8
account for when $gid returns no existing directive match #3382