Added config options CLICON_MODULE_LIBRARY_RFC7895, CLICON_STREAM_DISCOVERY_RFC5277, LICON_STREAM_DISCOVERY_RFC804
Add .spec file under extras/rpms and create targets to produce source and binary rpms
make dist
Add dist target to create project tarball. It uses a script called version, that was obtained from vpp source code to produce a version string using `git describe` that is incremental based on last annotated tag available.
