Upgrade airtap devDependency from 0.1.0 to ^2.0.0 (#161)

Author: vweevers

.airtap.yml

@@ -14,10 +14,3 @@ browsers:
   - name: ie
     version: latest
     platform: Windows 10
-
-# Force browserify to use latest buffer@5.
-# Ideally we'd use latest browserify to achieve that,
-# but airtap currently depends on browserify@13.
-browserify:
-  - require: "buffer/"
-    expose: "buffer"

package.json

@@ -36,8 +36,7 @@
     "typedarray-to-buffer": "~3.1.5"
   },
   "devDependencies": {
-    "airtap": "0.1.0",
-    "buffer": "~5.2.1",
+    "airtap": "^2.0.0",
     "coveralls": "^3.0.2",
     "hallmark": "0.1.0",
     "level-community": "~3.0.0",