Added linux.clang.sh env script

Signed-off-by: e.proydakov@gmail.com <lord.tiran@gmail.com>
Added get git repo version

Signed-off-by: e.proydakov@gmail.com <lord.tiran@gmail.com>
Review cmake : added find scripts auto

Signed-off-by: e.proydakov@gmail.com <lord.tiran@gmail.com>