* Updated RT version to 7.12.8
* updated new changes for rt & jcr version 7.12.8 & x-ray version 3.17.2
* updated
* updated release version in artifactory
* Update vm_parameters.json
* Update vm_parameters.json
Co-authored-by: Aayush-sood94 <aayush.sood1@igtsolutions.com>
Only 7.12.5 and 7.12.6 versions are supported now.
Removed version selector script and installation script for Artifactory 6.x
Added new screenshots to the README.md, minor fixes.