0.8.7, minor bug fixes, experimental upload feature, improved stats

- Use recent versions of express which REQUIRES "npm install" in viewer directory
- Use recent version of jade which requires extra spaces, use "git diff -w" to
- Now index Host headers with and without port
- pcapng exporting with meta data
- Basic upload feature, doesn't support transfers of meta data yet
- addUser.js has better help and error reporting
- ES optimizations to use bool instead of and/or, also use regexp filter instead of regexp query
- Changed ES stats shown to hopefully more useful ones
- Fixed viewer exit on empty data gzip decode