npwrapper: link wrapper against glib

fixes #459
Merge pull request #461 from karolherbst/bug459

npwrapper: link wrapper against glib
ebuild: update to newest desurium versions
PKGBUILDS: git / release/desurium : add libx11 as dependency.
PKGBUILD: release:  bump version to 0.8.0_rc7.