fix installation of VSC-tools packages
make sanity check a little more strict
Revert "make sanity check a little more strict"

This reverts commit 010f0b1f9a12f51cf70d5ba4851aa03a3b5cd4b9.
get rid of hard-coded list of vsc-tools packages
Merge pull request #77 from boegel/vsc-tools

Vsc tools