Makefile, coverage target: Display a more detailed text coverage report in addition to building the lcov report.
Makefile, coverage target: Display a more detailed text coverage report in addition to building the lcov report.

Inspired by https://twitter.com/BenjaminCoe/status/613741290245632000

bruderstein/unexpected,bruderstein/unexpected,unexpectedjs/unexpected,alexjeffburke/unexpected,alexjeffburke/unexpected