include additional fields in describe-instances output
include additional fields in describe-instances output

This adds some additional fields to describe-instances output.
Most immediately useful are private_ip and public_ip.

gholms/euca2ools,jhajek/euca2ools,nagyistoce/euca2ools,nagyistoce/euca2ools,vasiliykochergin/euca2ools,jhajek/euca2ools,vasiliykochergin/euca2ools,gholms/euca2ools