More compact logging for RSpec - based on feedback from Ara Howard

current-output.txt

➜  rspec-expectations git:(fail-fast) ✗ bin/rspec spec/functional
Run options: include {:focused=>true}

All examples were filtered out; ignoring {:focused=>true}
.

Finished in 0.00592 seconds
1 example, 0 failures

Randomized with seed 41776

revised-output.txt

➜  rspec-expectations git:(fail-fast) ✗ bin/rspec spec/functional
All examples were filtered out; ignoring {:focused=>true}
.

Finished in 0.00592 seconds ::: 1 example, 0 failures ::: Randomized with seed 41776