Merge pull request #533 from matrix-org/markjh/encrypted-attachments

Encrypt attachments in encrypted rooms,

package.json

@@ -42,6 +42,7 @@
   },
   "dependencies": {
     "babel-runtime": "^6.11.6",
+    "browser-encrypt-attachment": "0.0.0",
     "browser-request": "^0.3.3",
     "classnames": "^2.1.2",
     "draft-js": "^0.8.1",
@@ -54,6 +55,7 @@
     "fuse.js": "^2.2.0",
     "glob": "^5.0.14",
     "highlight.js": "^8.9.1",
+    "isomorphic-fetch": "^2.2.1",
     "linkifyjs": "^2.1.3",
     "lodash": "^4.13.1",
     "marked": "^0.3.5",