[tracker] (14 commits) Created branch roi-png-fix

[Mikael Ottela <mottela src gnome org>]

The branch 'roi-png-fix' was created.

Summary of new commits:

  59b2ad7... tests/libtracker-extract: Unit test to read regions in the 
  996c3f6... libtracker-extract: Very first implementation of the Region
  2f2a2f9... NFO: Regions of interest in images
  9ebdc63... NFO: Add cardinality restrictions to the properties
  912b766... tests/libtracker-extract: test for XMP with custom namespac
  5dbdec6... libtracker-extract: handle correctly XMP namespaces
  5e7bc1f... libtracker-extract: new function to generate sparql of the 
  124f8de... tracker-extract, JPEG: generate sparql for the regions of i
  86479bd... functional-tests: extraction test, support <uuid> urls
  0ba0c19... functional-tests: PNG with regions of interest for the extr
  2f47be8... GIF extractor: build Sparql for regions of interest in XMP
  1eebe67... PDF extractor: build sparql for regions of interest in XMP
  a6d94d6... TIFF extractor: build sparql for regions of interest in XMP
  870f572... Fix the Imagemagick png raw profile magic.