Upgrade to rspec 2.14

This added
- expect(obj).to receive(:method)
- allow(obj).to receive(:method) #stubbing
- allow_any_instance_of(Class).to receive(:method)
ran transpec (all turned off) to fix 7 lib specs
ran transpec (all turned off) to fix 34 lib specs

- delete rspec_example_group_timing per warning

I’m going to fix 3 errors in next request.
Fix failing tests that were masked by old should_not raise_error syntax
Merge pull request #362 from kbrock/gem_rspec_2_13

Upgrade to rspec 2.14