Fix windows execution and eliminate use of JSBinaryExpressionImpl implem...

...entation which was breaking in 13.1.4 Ultimate build.

Not sure if the change to src/com/eslint/settings/ESLintSettingsPage.java was required but this wouldn't build for me based on a IDEA-IU 135.1230 build because the API was not available. Please review that.

Also couldn't execute the test in my environment, probably a development environment setup issue that I didn't understand.