[aws] add mock tagging for acls and vpcs, refactor types
add tagSet to describe_network_acls
pass tags when creating network acl
remove tag setting from describe_network_acls
apply tag filters to network acls
add tests for acl tag filtering
clean up acl test tag
update delete_tags request to match create_tags
add tagging for vpcs
move tagged_resources method to compute
Fix describe_internet_gateways calls for >1 igw

@internet_gateway was incorrectly reset after the first
InternetGatewaySet item.  On encountering a second, we end up
attempting to dereference nil as a hash, causing the parser to
blow up with an unintuitive error.
Merge pull request #3045 from jtopper/fix_describe_internet_gateways

Fix describe_internet_gateways calls for >1 igw
remove :host from request parameters, stopping excon errors.
Merge pull request #3046 from infovore/fix_elasticbeanstalk_excon_errors

remove :host from request parameters, stopping excon errors with Elastic Beanstalk
[glesys] API change, new attribute :bandwidth added
Merge pull request #3047 from barsoom/new_glesys_attribute

[glesys] API change, new attribute :bandwidth added
allow 1.8.7 failures

see also: #3048
[#3048] Lock down rest-client version

New versions have dropped 1.8.7 support and they are getting picked up
by Travis.
Merge pull request #3049 from fog/fix_187_dependencies

[Fixes #3048] Lock down rest-client version
[#3048] Don't drop 1.8.7 checking yet

Since it's backwards incompatible for older servers we don't want people
to think support is dropped.

Support will be dropped in fog 2.0 but we are still scheduling that!