Merge pull request #9 from mikesilky/master

Added wait_until_ready to network interface creation to reduce flakiness
merge upstream changes
add wait for ready on routetable - before tags get created
Merge pull request #10 from madAndroid/master

add wait_until_ready on routetables
initial commit of delete_on_termination fu
add timeout control, and ensure we check correct attr on volume
ensure error message correct, and add extra debug output
Merge pull request #11 from madAndroid/master

Add delete_on_termination capability to ebs_volume attachment, with timeouts