Supplement the license info checking the xmpRights:UsageTerms

Submitted by Juanjo Marín

Link to original bug (#607075)

Description

The Creative Commons instructions about how to get the license information it's ambiguous about the human readable statement about the license. The current method for checking this information is using xmpRights:UsageTerms, and Evince only checks dc:rights, the previous recommended method (tough it is present on the template and applications recommended by CC) .

I think we should add support for checking xmpRights:UsageTerms. I attach a patch for that

[1] http://lists.ibiblio.org/pipermail/cc-devel/2009-November/001413.html

Patch 151471, "Add support for checking xmpRights:UsageTerms":
license_text_xmp.patch

Version: 2.29.x