Provide simple HTTP1/HTTP2 server listening on 8080

- Integrate with boost program options
- Provide cli options
~~~
$ ./build/mini -h
Allowed options:
  -h [ --help ]             produce help message
  -v [ --version ]          print mini version
  -f [ --file ] arg         input file
  -d [ --daemon ]           run as daemon
  -p [ --port ] arg (=8080) listen on a port
  -s [ --shell ]            invoke shell
~~~
Merge pull request #29 from harshavardhana/pr_out_provide_simple_http1_http2_server_listening_on_8080

Provide simple HTTP1/HTTP2 server listening on 8080