refs #809 divides hck_setup.cfg functions constants and dynamic variables into two files: vmwhql_aux.sh, vmwhql_setup.cfg.
refs #809 vmwhql_aux.sh renamed to: vmwhql_env.sh
refs #809 VM display port calculation by separate function in vmwhql_env.sh
refs #809 VM display related options formatting removed from vmwhql_setup.cfg
refs #809 Trivial: comment fixed
refs #809 SNAPSHOT and UNSAFE_CACHE handling moved to run_hck_vm.sh
refs #809 adds validity and existence checks for HCK_ROOT, UNIQUE_ID, QEMU_BIN, WROLD_NET_DEVICE, CTRL_NET_DEVICE.
refs #809 Typo fixed
refs #809 moves setup-type handling from vmwhql_setup.cfg to vmwhql_env.sh. Removes vmwhql_setup.cfg and adds two vmwhql_setup.cfg examples.
Merge branch 'task_809'