FIX for compute_dpi where  variable was never set. Now uses []

git-svn-id: http://svn.montala.net/svn/resourcespace@5722 c08608d7-6e46-0410-86ca-f2a6f1370df5
FIX for bad commit on -r5722

git-svn-id: http://svn.montala.net/svn/resourcespace@5723 c08608d7-6e46-0410-86ca-f2a6f1370df5
NEW - ability to remove multiple resources from a collection using shift-click. Requires $use_checkboxes_for_selection?\024y

git-svn-id: http://svn.montala.net/svn/resourcespace@5724 c08608d7-6e46-0410-86ca-f2a6f1370df5
NEW script to update resource_dimensions.php...uself after enabling 

git-svn-id: http://svn.montala.net/svn/resourcespace@5725 c08608d7-6e46-0410-86ca-f2a6f1370df5
ADD check for empty array value

git-svn-id: http://svn.montala.net/svn/resourcespace@5726 c08608d7-6e46-0410-86ca-f2a6f1370df5
CHG make fallback dpi a config option...defaults to 300 as this was the hardcoded value

git-svn-id: http://svn.montala.net/svn/resourcespace@5727 c08608d7-6e46-0410-86ca-f2a6f1370df5
CHG updates to single resource duplicates searching

git-svn-id: http://svn.montala.net/svn/resourcespace@5728 c08608d7-6e46-0410-86ca-f2a6f1370df5
ADD field variable to hook customchkboxes

git-svn-id: http://svn.montala.net/svn/resourcespace@5729 c08608d7-6e46-0410-86ca-f2a6f1370df5
ADD hook additionaldropdownattributes to dropdown edit fields

git-svn-id: http://svn.montala.net/svn/resourcespace@5730 c08608d7-6e46-0410-86ca-f2a6f1370df5
ADD per page config to seperate it from the display_selector_dropdown config and allow the per page dropdown to be used with display icons

git-svn-id: http://svn.montala.net/svn/resourcespace@5731 c08608d7-6e46-0410-86ca-f2a6f1370df5
ADD classes to download space; NEW hooks replacedownloadspacetableheaders, formatchooserbeforedownloads, and formatchooseraftertable

git-svn-id: http://svn.montala.net/svn/resourcespace@5732 c08608d7-6e46-0410-86ca-f2a6f1370df5
FIX removed duplicate column call from send_periodic_report_emails; Added sql syntax to compare just dates and not datetime when checking if an email report should be sent

git-svn-id: http://svn.montala.net/svn/resourcespace@5733 c08608d7-6e46-0410-86ca-f2a6f1370df5
FIX for undefined preventautosave on edit.php introduced in -r5463

git-svn-id: http://svn.montala.net/svn/resourcespace@5734 c08608d7-6e46-0410-86ca-f2a6f1370df5
NEW tools script for converting resource data field from ckeditor type to textbox type

git-svn-id: http://svn.montala.net/svn/resourcespace@5735 c08608d7-6e46-0410-86ca-f2a6f1370df5