* Update poppler to 0.22.0
* Update poppler-data to 0.4.6
* Update build to latest standards

	renamed:    libs_docs/poppler/poppler-0.20.5-datadir.patch.xz -> libs_docs/poppler/poppler-0.22.0-datadir.patch.xz
	new file:   libs_docs/poppler/poppler-0.22.0-pkgconfigdir.patch.xz
	modified:   libs_docs/poppler/poppler.build