stda version 1.6.1
! 20th August 2020 the version has been updated to 1.6.1.1 because a small bug has been corrected.
Standalone version for stda version 1.6.1.
Included xtb4stda and g2molden binaries.
Included qc2molden.sh bash script.
Note that for xtb4stda, parameter files should be included and the XTB4STDAHOME environment variable properly set. See https://github.com/grimme-lab/xtb4stda for more information.