Tweak devel/poslib version 1.0.6_1
Tweak devel/ptmalloc version 3.0_1
Import textproc/pure-xml version 0.6_1
Tweak textproc/py-dsv version 1.4.1
Update net-mgmt/py-pyang to version 1.3
Update devel/py-six to version 1.2.0
Import devel/qgit version 2.3_1