FIX transform plugin now doesn't create an alternative file when this option is disabled and the form is submitted by pressing enter.

git-svn-id: http://svn.resourcespace.org/svn/resourcespace@5513 c08608d7-6e46-0410-86ca-f2a6f1370df5
FIX Made format_chooser work with older PHP versions.



git-svn-id: http://svn.resourcespace.org/svn/resourcespace@5514 c08608d7-6e46-0410-86ca-f2a6f1370df5
CHG: Added support for 'avconv' as the binary name instead of 'ffmpeg' now the alias has been removed from Ubuntu.


git-svn-id: http://svn.resourcespace.org/svn/resourcespace@5515 c08608d7-6e46-0410-86ca-f2a6f1370df5
FIX transform plugin threw an error in some cases after r5513. Also in r5513 ADD $list_recipients that will offer to list all recipients of a shared resource or collection in the e-mail.

git-svn-id: http://svn.resourcespace.org/svn/resourcespace@5516 c08608d7-6e46-0410-86ca-f2a6f1370df5