Improved console reporter

The verbose level is too plenty, 
but the simple log is too short for me (and some others (issue #16 ) )

So here is my solution:

Before:
should not pass: failed
should not pass: failed
should not pass: failed
should not pass: failed
10 specs, 3 failures in 0.108s.
>> 3 failures

Now:
.....x.x.x.
Failed level 1:: should not pass: failed
  Expected true to be false. (1)
Failed level 1:: Level 2:: Level 3:: should not pass: failed
  Expected true to be false. (1)
  Expected true to be false. (3)
Failed level 1:: Level 2:: Level 3:: Level 4:: should not pass: failed
  ReferenceError: Can't find variable: asdf in file:///grunt-contrib-jasmine/test/fixtures/pivotal/spec/PlayerSpec.js (line 85) (1)
10 specs in 0.108s.
>> 3 failures