Merge pull request #17 from Denton-L/permissions

manifest.json

 {
-  "manifest_version": 2,
-
   "name": "Solidity",
   "description": "Realtime compiler and runtime",
-  "devtools_page": "devtools.html",
-  "update_url": "https://chriseth.github.io/browser-solidity/",
+  "update_url": "https://ethereum.github.io/browser-solidity/",
   "version": "1.1",
   "manifest_version": 2,
   "background": {
@@ -28,5 +25,7 @@
     "webRequest",
     "webRequestBlocking",
     "\u003Call_urls>"
-  ]
+  ],
+
+  "content_security_policy": "script-src 'self' https://ethereum.github.io/solc-bin/bin/; object-src 'self'"
 }