ovs networking document

Update networking.md
Use codec to encode/decode api objects in client and kubecfg parser
Merge pull request #1115 from csrwng/use_codec_in_printing_and_parsing

Use codec to encode/decode api objects in client and kubecfg parser
avoid dumping error pages into error messages
Fix a bug where we don't return an error.
Merge pull request #1215 from rajatchopra/ovsdoc

ovs networking document
Merge pull request #1232 from dbcode/master

avoid dumping error pages into error messages
Merge pull request #1231 from brendandburns/service

Fix a bug where we don't return an error.
Add initial logrotate support.
Merge pull request #1234 from brendandburns/fix

Add initial logrotate support.
go test -cover -race is fixed now
Don't stack trace on 301s
Merge pull request #1242 from lavalamp/fix

go test -cover -race is fixed now
Merge pull request #1240 from brendandburns/http

Don't stack trace on 301s