gtksourceview3: update to 3.13.90
pygobject: update to version 3.13.90
Merge pull request #149 from nacho/wip/gsv3.13.90

gtksourceview3: update to 3.13.90
Merge pull request #150 from nacho/wip/pygobject3.13.90

pygobject: update to version 3.13.90
openldap: Revert unsetting CPPFLAGS. See http://sourceforge.net/p/msys2/discussion/general/thread/90241b3d
qbs: Update to 1.3.0. Get sources from git tag
qbs: Fix building.