Dependency update

package.json

@@ -30,20 +30,20 @@
     "iojs": "2.0.x"
   },
   "dependencies": {
-    "canvas": "crafatar/node-canvas",
+    "canvas": "^1.2.3",
     "crc": "~3.3.0",
-    "forever": "~0.14.1",
+    "forever": "~0.14.2",
     "jade": "~1.11.0",
     "lwip": "~0.0.7",
     "mime": "~1.3.4",
     "node-df": "~0.1.1",
     "redis": "~0.12.1",
     "request": "~2.58.0",
-    "toobusy-js": "~0.4.1"
+    "toobusy-js": "~0.4.2"
   },
   "devDependencies": {
     "coveralls": "~2.11.2",
-    "istanbul": "~0.3.14",
+    "istanbul": "~0.3.17",
     "mocha": "~2.2.5",
     "mocha-lcov-reporter": "~0.0.2"
   }