bump grunt-eslint to ^7.0.0

.eslintrc

@@ -29,6 +29,7 @@
         "no-self-compare": 2,
         "no-space-before-semi": 2,
         "no-spaced-func": 2,
+        "no-throw-literal": 2,
         "no-trailing-spaces": 2,
         "no-underscore-dangle": 0,
         "no-void": 2,
@@ -37,9 +38,9 @@
         "quotes": 0,
         "radix": 2,
         "semi": [2, "always"],
-        "space-after-function-name": [2, "never"],
         "space-after-keywords": [2, "always", {"checkFunctionKeyword": true}],
         "space-before-blocks": [2, "always"],
+        "space-before-function-parentheses": [2, {"anonymous": "always", "named": "never"}],
         "space-in-brackets": [2, "never"],
         "space-in-parens": [2, "never"],
         "space-return-throw-case": 2,

package.json

@@ -42,7 +42,7 @@
     "grunt-contrib-nodeunit": "^0.4.1",
     "grunt-contrib-qunit": "^0.5.2",
     "grunt-contrib-watch": "^0.6.1",
-    "grunt-eslint": "^6.0.0",
+    "grunt-eslint": "^7.0.0",
     "grunt-exec": "^0.4.6",
     "grunt-jscs": "^1.5.0",
     "jquery": "~2.1.3",

test-infra/npm-shrinkwrap.json

@@ -2621,12 +2621,12 @@
       }
     },
     "grunt-eslint": {
-      "version": "6.0.0",
+      "version": "7.0.0",
-      "resolved": "https://registry.npmjs.org/grunt-eslint/-/grunt-eslint-6.0.0.tgz",
+      "resolved": "https://registry.npmjs.org/grunt-eslint/-/grunt-eslint-7.0.0.tgz",
       "dependencies": {
         "eslint": {
-          "version": "0.14.1",
+          "version": "0.15.0",
-          "resolved": "https://registry.npmjs.org/eslint/-/eslint-0.14.1.tgz",
+          "resolved": "https://registry.npmjs.org/eslint/-/eslint-0.15.0.tgz",
           "dependencies": {
             "concat-stream": {
               "version": "1.4.7",