Revert "dependency update"

This reverts commit ed307ab0902fd7d81530a9045269d9c38866f61d.

package.json

@@ -26,9 +26,9 @@
     "test": "istanbul cover ./node_modules/mocha/bin/_mocha --report lcovonly -- -R spec && cat ./coverage/lcov.info | ./node_modules/coveralls/bin/coveralls.js && rm -rf ./coverage"
   },
   "dependencies": {
-    "canvas": "1.2.0",
+    "canvas": "1.1.6",
     "forever": "^0.13.0",
-    "jade": "~1.9.1",
+    "jade": "~1.8.2",
     "lwip": "0.0.6",
     "mime": "1.2.11",
     "node-df": "0.1.1",