Fix up some eslint

Author: MadLittleMods

.eslintrc

@@ -8,13 +8,16 @@
 		"ecmaVersion": 6,
 		"sourceType": "module",
 		"ecmaFeatures": {
-	    "jsx": true
-	  },
+			"jsx": true
+		},
+	},
+	"globals": {
+		"SystemJS": true,
 	},
 	"extends": "eslint:recommended",
 	"plugins": [
-    "react"
-  ],
+		"react"
+	],
 	"rules": {
 
 	}

lib/generate-scope-list.js

@@ -22,7 +22,7 @@ var generateScopeList = function(node, /*optional*/includeSelf) {
 
 		// If it is a at-rule, then we need to construct the proper piece
 		if(currentNodeParent.type === 'atrule') {
-			scopePieces = [].concat(currentNodeParent.params).map(function(param, index) {
+			scopePieces = [].concat(currentNodeParent.params).map(function(param) {
 				return {
 					value: '@' + currentNodeParent.name + ' ' + param,
 					type: 'atrule'