Provide a fast feedback loop for developing benchmarks

```
What steps will reproduce the problem?
1. Run example
2. Read console results

What is the expected output? What do you see instead?
Old version of caliper showed microbenchmark results in console.
New version seems to only show the number of tests run, etc.

What version of the product are you using? On what operating system?
a3703ae4544b

Please provide any additional information below.

```

Original issue reported on code.google.com by `agrothberg` on 8 Apr 2013 at 10:04