* removed parted creation of linux swap via mkpartfs due to future
 deprecation
* make curl shutup when downloading api/ami tools from s3
* added a wget for ec2-metadata from s3
* single quote aws.sh so vars aren't interpreted inline
* changed rpm macros to match preference
* modify default yum-autoupdates to do security only
* enable tuned/ktune and use virtual-guest profile
* misc cleanup and spacing