Merge pull request #12 from mikesilky/master

Change to --config option to take multiple YAMLs
Updated README and gemspec
Merge pull request #13 from mikesilky/master

Included files don't need to be in the same dir
Updated Changelog & gemspec
Merge pull request #14 from mikesilky/master

DHCP Options Set support
Updated Changelog and version number
Merge pull request #15 from mikesilky/master

VPCs named correctly, network interface public IP support in R53
Bumped version, updated change log