Added errLogToConsole, sourceComments in gulp styles config to fix gulp-sass error: invalid top-level expression when compiling sass

gulp.task "styles", tasks.styles = ->
  sassstream = sass({
      errLogToConsole: true,
      sourceComments: 'normal'
      sourcemap: false,
      unixNewlines: true,
      style: 'nested',
      debugInfo: false,
      quiet: false,
      lineNumbers: true,
      bundleExec: true
    })