Update README.md
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