Updated burn in tests to work better with Neutron

* Added hooks for default networks
* Added ping check to create server burn in
* Added appropriate tags to tests

Change-Id: I1227f755a392c2fee3492bc3dd8ea08a57e55d86
Made network checks for flexible

* Removed assumptions about public/private networks
* Used values from expected_networks to validate configuration

Change-Id: Id66e15fc4bb5460c27d99b3cd634c5713a0229be
Skipping admin password tests for KVM and QEMU

Change-Id: I63f0500a9a60d5dd58546d2d37c15fb7b18f7fd1
Added check for default network to tests using create_server

* Added check for a default network when using create_server
  directly. All other tests use the create_active_server
  method, which already performs conditional injection of networks

Change-Id: Icabe510dea15c617082970b33fe85cf3c1c67c37
Merge "Updated burn in tests to work better with Neutron"
Merge "Made network checks for flexible"
Merge "Skipping admin password tests for KVM and QEMU"
Merge "Added check for default network to tests using create_server"