Sometimes redundant services are printed/converted in kompose convert

[janetkuo]

Note that there's a redundant file "web-svc.json" created message.

➜ examples(master)$ ../kompose convert 
file "web-rc.json" created
file "web-svc.json" created
file "redis-rc.json" created
file "web-svc.json" created
file "redis-svc.json" created

➜ examples(master)$ ../kompose convert 
file "redis-rc.json" created
file "web-rc.json" created
file "redis-svc.json" created
file "web-svc.json" created

[ngtuna]

Yup. Also I have to re-structure convert function. It's too long and difficult to follow somehow.

[ngtuna]

Done. Convert function is now more easier to keep track. Issue is also fixed by 2e986b6