Fixed crash, when reek reports '0 total warnings'.
Prevent roodi info lines to end up in the results
Update Travis CI rbx config per @brixen

see
http://www.benjaminfleischer.com/2013/12/05/testing-rubinius-on-travis-ci/
Merge pull request #202 from MGotink/roodi_output_fix

[FIX] Prevent non-metric Roodi output from ending up in the results
Merge pull request #199 from mstark/reek_zero_warnings

[FIX] Fixed crash, when Reek reports '0 total warnings'.
Restore RCov :external setting removed in #156
First stab at documenting safe interfaces to code against
Prepare changelog for 4.7.4 release, bump version to 4.7.4
Add checksum for metric_fu-4.7.4.gem
BF/PS Add configurable MetricFu.report_name
Merge pull request #203 from metricfu/set_report_name

BF/PS Add configurable MetricFu.report_name
Bump to 4.8.0
Add checksum for metric_fu-4.8.0.gem
Fix YARDoc
Add rake usage_test to ensure examples all pass
Tell Travis CI I really do not want local_development
Centralize usage examples in README.md; remove from .metrics
Document the .metrics file
Merge pull request #204 from metricfu/interface_tests

Add minimal tests to ensure the code examples are valid
Test usage tests, all usage examples passing

Some are 'commented out' by setting the language as 'shell'
as they will never run correctly