* .gitlab-ci changes
* Needed to update detection of main() for ubuntu 22.
* fixed keystone issue where 'pushf' was being compiled to 'pushfw'
  instead of 'pushfd'

Update headers files to reflect BSD-3 license

Add test case where main exec is not instrumented,
and dependent shared lib is instrumented

Will put back once code is fixed in branch

Regular main executable combined with instrumented library not yet working

AFL performs various checks, e.g., cpu frequence scaling,
core file patterns, binary transformed for afl.

For testing, ignore all these.