Update package to lastest upstream release
    
    - Resolves #1460482 - rebase to new release
    - Resolves #1505506 - add support for LLVM 5.0
    - Resolves #1460482 - BPF module compilation issue
    - Partially address #1479990 - location of man pages
    - Enable ppc64(le) support without lua
    - Soname versioning for libbpf by ignatenkobrain
    - Incorporate many spec file fixes by ignatenkobrain