RSpec integration for Lean Lucid.

A hook into RSpec's loading mechanism has been provided so that test
specifications can be read by RSpec. Currently this lean mode of
execution will recognize the same core repository (specs) as well as
the same file types (.story, .feature, .spec).
Bug fix for table steps failing.

A bug was introduced with 0.3.1 wherein scenarios with tables would fail
due to a change in how the coloring module works.
Release of version 0.3.2
Merge branch 'release/0.3.2' into develop