netcat6 1.0 - an IPv6 network swiss-army knife
address review feedback from @adamv and @mikemcquaid

- change url to debian
- remove extraneous require
- inline patch
- remove network test
address additional style feedback

 - use double-quotes everywhere
 - use "patch :DATA" style instead of patch method
 - remove comments set aside for future maintainers
netcat6: add 1.0 bottle.