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!