Don't warn about octals in strings on \0
Remove support for single-line special comments (except for //jshint)

Single-line special comments make more harm than good. Closes GH-881.
Treat FutureReservedWords as identifiers in the ES5 environments.

This fixes a bug where unused would report false positives on variables
like `char`.
Ignore W001 in vars.js
Bump the version and hard-code all dependencies