Breaking: remove pre-release versions and upgrade deps

.eslintrc

@@ -1,8 +1,6 @@
 {
-    "extends": "mysticatea/es5",
-    "env": {"node": true},
+    "extends": ["mysticatea/es5", "mysticatea/node"],
     "rules": {
-        "func-name": 0,
         "init-declarations": 0,
         "no-param-reassign": [2, {"props": false}]
     }

.travis.yml

@@ -9,4 +9,4 @@ before_script:
   - npm install async
 script:
   - "npm run test && npm run coveralls"
-  - npm run travis-test-with-eslint-next
+  - "npm install eslint@1 -f && npm run test:mocha && npm run coveralls"

lib/rules/no-unsupported-features.js

@@ -170,6 +170,12 @@ function checkSpecialLexicalEnvironment(context) {
     );
 }
 
+/**
+ * Gets the name of a given node.
+ *
+ * @param {ASTNode} node - An Identifier node to get.
+ * @returns {string} The name of the node.
+ */
 function getIdentifierName(node) {
     return node.name;
 }

package.json

@@ -10,15 +10,14 @@
     "preversion": "npm-run-all test build",
     "postversion": "git push && git push --tags",
     "clean": "rimraf coverage",
-    "lint": "eslint lib tests/lib --rulesdir lib/rules --rule \"{no-missing-require:2, no-unpublished-require:2, shebang:2}\"",
+    "lint": "eslint lib tests/lib",
     "build": "node scripts/generate-index.js",
     "test": "npm-run-all clean lint test:mocha",
     "test:mocha": "istanbul cover node_modules/mocha/bin/_mocha -- tests/lib/**/*.js --reporter progress",
-    "coveralls": "cat coverage/lcov.info | coveralls",
-    "travis-test-with-eslint-next": "rimraf node_modules && npm i -g npm@3 && npm i && npm i eslint@next && npm i && npm run test:mocha && npm run coveralls"
+    "coveralls": "cat coverage/lcov.info | coveralls"
   },
   "peerDependencies": {
-    "eslint": ">=1.10.3 || 2.0.0-alpha-1 || 2.0.0-alpha-2 || 2.0.0-beta.1 || 2.0.0-beta.2 || 2.0.0-beta.3"
+    "eslint": ">=1.10.3 <3.0.0"
   },
   "dependencies": {
     "ignore": "^2.2.19",
@@ -28,15 +27,14 @@
   },
   "devDependencies": {
     "coveralls": "^2.11.4",
-    "eslint": "1.10.3",
-    "eslint-config-mysticatea": "^1.9.0",
-    "eslint-plugin-mysticatea": "^1.0.3",
+    "eslint": "^2.0.0",
+    "eslint-config-mysticatea": "^2.0.0",
     "istanbul": "^0.4.0",
     "mocha": "^2.3.4",
     "npm-run-all": "^1.3.2",
     "rimraf": "^2.4.4",
     "semver": "^5.1.0",
-    "shelljs": "^0.5.3"
+    "shelljs": "^0.6.0"
   },
   "repository": {
     "type": "git",