Lint go codes

With;

    $ find ./ -name "*.go" | xargs -l go fmt
Delete prebuilt binaries
Run go fix for Go 1.x
Messive chainsaw attack!

- Remove Makefiles
- Add pre-generated rfc2812.go
- Unified all pkg/* to package, ircd
- Fix build error with Go 1.0
- Delete empty *_test.go
- More fixes that don't remember