Update dev-dependencies

Author: wooorm

package.json

@@ -21,11 +21,11 @@
   },
   "author": "Titus Wormer <[email protected]>",
   "devDependencies": {
-    "browserify": "^11.0.1",
+    "browserify": "^13.0.0",
     "chalk": "^1.0.0",
-    "eslint": "^1.0.0",
+    "eslint": "^2.0.0",
     "esmangle": "^1.0.1",
-    "istanbul": "^0.3.0",
+    "istanbul": "^0.4.0",
     "jscs": "^2.0.0",
     "jscs-jsdoc": "^1.0.0",
     "remark": "^4.0.0",
@@ -35,7 +35,7 @@
     "remark-slug": "^4.0.0",
     "remark-validate-links": "^3.0.0",
     "mocha": "^2.0.0",
-    "retext": "^1.0.0-rc.2"
+    "retext": "^1.0.0"
   },
   "scripts": {
     "test-api": "mocha --check-leaks test.js",