* copyright headers for agent folder
* Ignore test data files
* fix proto files and remove headers in agent/uiserver folder
* ignore deep-copy files
* copyright headers for agent folder
* fix merge conflicts
* copyright headers for agent folder
* Ignore test data files
* fix proto files
* ignore agent/uiserver folder for now
* copyright headers for agent folder
* Add copyright headers for acl, api and bench folders
And fix the 'value not used' issues.
Many of these are not bugs, but a few are tests not checking errors, and
one appears to be a missed error in non-test code.
* Add function to wait for serfHealth in api tests
* Disable connect when creating semaphore test clients
* Wait for serfHealth when creating sessions in their tests
* Add helper functions to create lock/semaphore sessions without checks
* Log passing tests to prevent timeout in Travis due to lack of output
Previously, it would try once "up to" the timeout, but in practice it would
just fall through. This modifies the behavior to block until the timeout has
been reached.
