[IntegrationSpec] Fixed after Reachability update
[IntegrationSpec] Use fixture spec repo
[Gemfile] Update CLIntegracon
[IntegrationSpec] Don't leak to stdout

The path of the mercury binary leaked to the spec runner output
[IntegrationSpec] Update for changed ENV variables
Merge pull request #2899 from CocoaPods/fix_integration_spec_after_reachability_update

[IntegrationSpec] Fixed after Reachability update