Add cookbook name to metadata
install correct libxml2 and libxslt package names for rhel family
Added IAM role support

added support for IAM profile, if the credentials are not specified it will use roles.
bumped minor version
fixed missing end.
added note to readme.md to show IAM Role feature.
Merge branch 'missing_name' of https://github.com/hipsnip-cookbooks/route53
Merge branch 'support_rhel' of https://github.com/sprack/route53
Merge branch 'patch-1' of https://github.com/willejs/route53