Added multi VPC support

Initial commit

Refactored terminate_vpc method to support vpc_id_tags

Cleaned up find_vpc() method
Renamed vpc_id_tags to resource_tags
Updated module documentation, re: resource_tags
Added code to create tags on the VPC resource
Added 'version_added' to the 'resrouce_tags' attribute in DOCUMENTATION section.
Merge branch 'ec2_vpc-multiple-vpcs-support' of git://github.com/alexanderpopov1/ansible into devel

Conflicts:
	library/cloud/ec2_vpc