enabled cross zone load balancing
doc for cross zone load balancing
added vpc tenancy argument
added tags for aws_network_acl
Adding tag support to AWS EC2 route table resource.
Merge pull request #635 from snehaso/cross_zone_lb

[AWS]  enabled cross zone load balancing
bump to 0.3.5
Merge pull request #637 from snehaso/vpc_tenanct

[AWS] added vpc instance_tenancy
Merge pull request #638 from snehaso/tag_for_acl

[AWS] added tags for aws_network_acl
First release of a provider for CloudStack

Of course not all resources are covered by this first release, but
there should be enough resources available to handle most common
operations.

Tests and docs are included.
website: Document the atlas provider
website: Update artifact docs
website: Document key sanitization
providers/atlas
providers/atlas: force new
terraform: Add new remote storage fields to state
terraform: State helpers
remote: adding helpers for remote state storage
command/init: integrate remote state storage
remote: adding tests