Changed spec/.jshintrc "expr" to true.
Merge pull request #2 from brianedgerton/jshint-expr-change-for-shouldjs

Changed spec/.jshintrc "expr" to true.
Fixing the "unused" property in .jshintrc.

Some idiot didn't pluralize it. Wait....it was me.
Merge pull request #4 from brianedgerton/jshint-unused-fix

Fixing the "unused" property in .jshintrc.