Update README.md
Merge pull request #216 from metricfu/read_report_in_binary

Read report data in BINARY. Closes #215
Test and document MetricFu::Templates::Report
Test code-block extraction; remove Redcarpet
Add shared/test_coverage example for rcov
Spike out shared/configured examples; isolate metric config tests
Separate out template configuration tests
Separate out formatter configuration tests
Merge pull request #221 from metricfu/moar_tests

[Tests] Moar tests
Read report data in BINARY. Closes #215
Test and document MetricFu::Templates::Report
Test code-block extraction; remove Redcarpet
Add shared/test_coverage example for rcov
Spike out shared/configured examples; isolate metric config tests
Separate out template configuration tests
Separate out formatter configuration tests
Merge branch 'hajder-master'
Move external encoding gotcha to new common problems section
Specify file and line number for module_eval

Closes #218
Thanks @jtzero
Test that RCov-formatted coverage is equivalent to SimpleCov formatter

Fixes #153
Thanks to @crv for the test