Add direct avail_sizes function to ec2
Add URL for EC2 docs
Add cores information for EC2
Add direct avail_images function
Add direct list_nodes_select function
Move script from libcloudfuncs into direct EC2 API
Repair avail_locations for EC2 driver
get_availability_zone doesn't seem to be necessary for EC2
better error reporting when creating from a map
option to sync grains/modules/states after create
added some docs for the sync_after_install option
Merge pull request #370 from jbadigital/sync-after-install

Sync after install
Merge pull request #368 from techhat/ec2

Add direct avail_sizes function to ec2
Cleanup comments
Merge pull request #371 from techhat/ec2

Move (most) remaining functions in ec2 to direct API
don't log 'Complete' when creating a map in parallel mode
improved the create error message; minor whitespace cleanup
support multiple security groups
support for create in different availability_zones
minor update to function sigs