Prevent dead-code-elimination before coverage#5

Merged

sunjay merged 4 commits intocodecov:masterfrom

phsym:master

Jun 10, 2017

Commits on Jun 6, 2017

Added an uncovered function.
Pierre-Henri Symoneaux
committed
Added RUSTFLAGS="-C link-dead-code" env variable to travis script
Pierre-Henri Symoneaux
committed
Updated readme with a note on dead-code elimination
Pierre-Henri Symoneaux
committed

Commits on Jun 10, 2017

Changed the wording in the sections added to the README and example
sunjay
committed