Linting fixes/workarounds (we should switch to ESLint)

lint_js.sh

@@ -3,8 +3,8 @@
 # Simple shell script for running jshint and nicely formatting the output :heart_eyes_cat:
 
 JS_HINT=./node_modules/jsxhint/cli.js
-JS_HINT_OPTS='--babel --es6module --config .jshintrc'
-JS_FILES=`find resources/frontend_client/app -name "*.js" | grep -v 'app/test/' | grep -v '\#' | grep -v 'app/dist/'`
+JS_HINT_OPTS='--babel --es6module --verbose --config .jshintrc'
+JS_FILES=`find resources/frontend_client/app -name "*.js" | grep -v bower_components | grep -v 'app/test/' | grep -v '\#' | grep -v 'app/dist/'`
 
 BOLD='\033[1;30m'
 RED='\033[0;31m' # \e doesn't work on OS X but \033 works on either

resources/frontend_client/app/card/card.charting.js

@@ -2,11 +2,18 @@
 /*jslint browser:true */
 /*global document,_,google,console,vs*/
 
-import $ from 'jquery';
 import d3 from 'd3';
-import crossfilter from 'crossfilter';
 import dc from 'dc';
 
+// JSXHint workarounds: https://github.com/STRML/JSXHint/issues/69
+import _$ from 'jquery';
+var $ = _$;
+import _crossfilter from 'crossfilter';
+var crossfilter = _crossfilter;
+
+// var crossfilter = require('crossfilter');
+// var $ = require('jquery');
+
 // ---------------------------------------- TODO - Maybe. Lots of these things never worked in the first place. ----------------------------------------
 // IMPORTANT
 // - 'titles' (tooltips)

resources/frontend_client/app/card/card.directives.js

 'use strict';
 /*global setTimeout, React */
 
-import $ from 'jquery';
-
 import { CardRenderer } from './card.charting';
 
 var CardDirectives = angular.module('corvus.card.directives', []);
@@ -456,9 +454,7 @@ CardDirectives.directive('cvLatlongHeatmap', ['CardRenderer', function(CardRende
 
         scope.$watch('cvLatlongHeatmap', function(value) {
             if (value) {
-                $(function() {
-                    CardRenderer.latlongHeatmap('map-canvas', 'whatever', value);
-                });
+                CardRenderer.latlongHeatmap('map-canvas', 'whatever', value);
             }
         });
     }

resources/frontend_client/app/query_builder/gui_query_editor.react.js

@@ -121,11 +121,10 @@ export default React.createClass({
     },
 
     canRun: function() {
-        var canRun = false;
         if (this.hasValidAggregation()) {
-            canRun = true;
+            return true;
         }
-        return canRun;
+        return false;
     },
 
     runQuery: function() {