Use released version of camshaft

package.json

@@ -20,7 +20,7 @@
   ],
   "dependencies": {
     "body-parser": "~1.14.0",
-    "camshaft": "cartodb/camshaft#master",
+    "camshaft": "0.54.4",
     "cartodb-psql": "0.8.0",
     "cartodb-query-tables": "0.2.0",
     "cartodb-redis": "0.13.2",

yarn.lock

@@ -194,9 +194,9 @@ camelcase@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/camelcase/-/camelcase-3.0.0.tgz#32fc4b9fcdaf845fcdf7e73bb97cac2261f0ab0a"
 
-camshaft@cartodb/camshaft#master:
+camshaft@0.54.4:
   version "0.54.4"
-  resolved "https://codeload.github.com/cartodb/camshaft/tar.gz/76bcf3dfe41f5aa6e2b181de22628fb30e1a880e"
+  resolved "https://registry.yarnpkg.com/camshaft/-/camshaft-0.54.4.tgz#3e1e96cda36661ebc01b64dadcc6387b02d69739"
   dependencies:
     async "^1.5.2"
     bunyan "1.8.1"