Fix Travis Setup for rustc and kcov#10

Merged

sunjay merged 3 commits intomasterfrom

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Mar 14, 2018

Commits on Mar 13, 2018

Require sudo for kcov
Bas Palmer
committed
Disable link-dead-code flag for rustc
Bas Palmer
committed

Commits on Mar 14, 2018

Match .travis.yml file to README.md
Bas Palmer
committed