Don't highlight left operand of '==' operator

It is not assignment.
Merge pull request #203 from defunkt/fix-alignment-highlight

Don't highlight left operand of '==' operator
Improve keyword highlighting

Don't highlight property name whose name equals to reserved keyword.
Merge pull request #204 from defunkt/improve-highlighting-reserved-word

Improve keyword highlighting
Fix invalid highlighting block comment(#205)
Merge pull request #206 from defunkt/fix-205-multiple-comment-highlight

Fix invalid highlighting block comment(#205)