New add channel modal using react-bootstrap.

web/react/package.json

@@ -7,7 +7,6 @@
     "flux": "2.1.1",
     "keymirror": "0.1.1",
     "object-assign": "3.0.0",
-    "react": "0.13.3",
     "react-zeroclipboard-mixin": "0.1.0",
     "twemoji": "1.4.1"
   },