Rule no-nested-ternary

The `no-nested-ternary` rule disallows the use of nested ternary
expressions.

var thing = foo ? bar : baz === qux ? quxx : foobar;
Add color to Mocha test reporting

The color highlighting in mocha test reports makes identifying
differences between expected and actual values easier. It also makes
me happier.
Merge pull request #456 from iancmyers/rule-no-nested-ternary

Rule: no-nested-ternary