net/sstp-client: new package version 1.0.9

Signed-off-by: Federico Di Marco <fededim@gmail.com>
rename folder to python3
rename package name to python3
renaming python-package.mk to python3-package.mk
Merge pull request #416 from fededim/master

sstp-client: new appication has been ported in packages feeds under net/sstp-client (version 1.0.9)
Merge pull request #423 from enigmagroup/master

rename python to python3