passing along spot instance params to iaas manager
Merge remote-tracking branch 'org/testing' into spot-instance-support
passing along spot instance info from the tools to the iaas manager, enabling spot instances to be spawned
forgot that spot was a str and not a bool
added spot instance tests
Merge remote-tracking branch 'org/testing' into spot-instance-support
removed spot price estimates, since the tools do it
Merge pull request #354 from shatterednirvana/spot-instance-support

Spot instance support