bump rspec-rails to 2.99, to capture pre-upgrade deprecation messages
rspec3 preparation with transpec migration assistant

Signed-off-by: Tom Anderson <toanderson@pivotal.io>
upgraded to rspec3 and resolved deprecation warnings. Needed to bump Rails patch version to resolve rspec3 warning.

Signed-off-by: Tom Anderson <toanderson@pivotal.io>
bump Jasmine to 2.0

Signed-off-by: Tom Anderson <toanderson@pivotal.io>
Reduce frequency of garbage collection during RSpec test run for 8-10s improvement.

See https://signalvnoise.com/posts/2742-the-road-to-faster-tests

Signed-off-by: Tom Anderson <toanderson@pivotal.io>