Add hostname lookup to route and traceroute
Add hostname lookup to peers command
Tweaked hostname lookup for peers command
Add hostname lookup to ip  command
Add hostname lookup to ping command
Added ability to use cjdns paths with traceroute
Tidying up before release
v0.3

* development:
  Tidying up before release
  Added ability to use cjdns paths with traceroute
  Add hostname lookup to ping command
  Add hostname lookup to ip  command
  Tweaked hostname lookup for peers command
  Add hostname lookup to peers command
  Add hostname lookup to route and traceroute