BF don't bundle for rake stats
Merge branch 'development'

BF adding in cli option parsing with reference
to metrical

* development:
  BF updating metrical tests for metric_fu
  BF update rcov opts per metrical
  BF provide sample .metrics
  BF allow command line options a la metrical
  BF don't bundle for rake stats
Update README.md
Create CONTRIBUTING.md
BF the test doesn't need to reach into the ivars
BF disabling very slow tests
BF account for 1.8 failures
BF accomodate that JRuby strangely makes accessors private
BF get tests passing in jruby
BF bumping to 2.1.4.pre5
BF fix yaml jruby psych couldn't parse
BF remove rcov dependency, but still can generate metrics
BF ensure .metrics is loaded before the cli parses the input
BF adding simplecov
BF add metric_fu coverage usage notes
Reformat documentation
BF add MetricFu.run_rcov command
BF correct README documentation
BF bump version to 3.0.0
BF update history / changelog