Made FailureREEF test use the TestEnvironment

This is a minor fix to make sure all tests in `reef-tests` use the test environment mechanism to setup the local or YARN runtime
Merge pull request #960 from Microsoft-CISL/weimer_unit_test_update

Made FailureREEF test use the TestEnvironment
[maven-release-plugin] prepare release reef-project-0.7
[maven-release-plugin] prepare for next development iteration
use injected nameserver on bridge client/driver
Merge remote-tracking branch 'origin' into reef-bridge
add nameserver information available on http server, add NameServerConfiguration
Merge branch 'yingdac-add-nameserverconfig' into reef-bridge
update to 0.8-SNAPSHOT