v0.997

. Help function
. Script now working properly with RH variants (and Debian variants)
. Fix RedHat variants DNS configurations for using systemd-resolved for sharing DNS between chroot and host.
. Fix CentOS 8 repositories in a stock installation.
. user messages
. support for firefox-esr path (Debian and others)
. does away with cshell_install.sh patches - fakes requirements inside chroot
. firefox-esr path for Debian
. Account for multiple versions of Firefox installed when installing CShell localhost certificate policy
. code cleaning
. self promotion to sudo mode, no need to use sudo in the command line
. suport VNP portal custom URL
. do a (re)start after install to test and get X11 rights
. add fake profiles.ini to fake firefox profile inside chroot