jshint/jshint — pull request #1943 by arai-a (2014-10-31 12:43:03+00:00)
Title: Add support for BinaryIntegerLiteral and OctalIntegerLiteral.

This fixes #1531.
It shares HexIntegerLiteral code for lexing BinaryIntegerLiteral and OctalIntegerLiteral.
Also, adds "isLegacy" property to ES5 OctalIntegerLiteral, to avoid triggering W115 warning for ES6 OctalIntegerLiteral.