* Refactored "NewGatewayService" to handle namespaces, fixed
TestHTTPRouteFlattening test
* Fixed existing http_route tests for namespacing
* Squash aclEnterpriseMeta for ResourceRefs and HTTPServices, accept
namespace for creating connect services and regular services
* Use require instead of assert after creating namespaces in
http_route_tests
* Refactor NewConnectService and NewGatewayService functions to use cfg
objects to reduce number of method args
* Rename field on SidecarConfig in tests from `SidecarServiceName` to
`Name` to avoid stutter
* draft
* expose internal admin port and add proxy test
* update tests
* move comment
* add failure case, fix lint issues
* cleanup
* handle error
* revert changes to service interface
* address review comments
* fix merge conflict
* merge the tests so cluster is created once
* fix other test
1. Upgraded agent can inherit the persisted token and join the cluster
2. Agent token prior to upgrade is still valid after upgrade
3. Enable ACL in the agent configuration
- remove dep on consul main module
- use 'consul tls' subcommands instead of tlsutil
- use direct json config construction instead of agent/config structs
- merge libcluster and libagent packages together
- more widely use BuildContext
- get the OSS/ENT runner stuff working properly
- reduce some flakiness
- fix some correctness related to http/https API
John Maguire