chore(eslint): Support ESLint@4

Author: azu

package.json

@@ -32,17 +32,17 @@
     "textlint"
   ],
   "devDependencies": {
-    "babel-cli": "^6.10.1",
+    "babel-cli": "^6.26.0",
     "babel-preset-es2015": "^6.9.0",
-    "babel-preset-jsdoc-to-assert": "^2.0.1",
+    "babel-preset-jsdoc-to-assert": "^4.0.0",
     "babel-preset-power-assert": "^1.0.0",
-    "babel-register": "^6.9.0",
-    "eslint": "^3.0.0",
-    "mocha": "^2.5.3",
-    "power-assert": "^1.4.1",
-    "textlint-tester": "^2.0.0"
+    "babel-register": "^6.26.0",
+    "eslint": "^4.7.2",
+    "mocha": "^3.5.3",
+    "power-assert": "^1.4.4",
+    "textlint-tester": "^2.2.4"
   },
   "peerDependencies": {
-    "eslint": "^3.0.0"
+    "eslint": "^3.0.0 || ^4.0.0"
   }
 }