Upgrade Log4JS (#274)

lib/logger.js

@@ -33,9 +33,11 @@ function getDefaultLogProvider() {
     }
 
     log4js.configure({
-        appenders: [{ type: 'console' }],
-        levels: {
-            '[all]': level,
+        appenders: {
+            console: { type: 'console' },
+        },
+        categories: {
+            default: { appenders: ['console'], level },
         },
     });
 

package.json

@@ -69,7 +69,7 @@
     "install": "^0.10.1",
     "joi": "^13.0.1",
     "knex": "^0.13.0",
-    "log4js": "^1.0.1",
+    "log4js": "^2.0.0",
     "moment": "^2.15.2",
     "parse-database-url": "^0.3.0",
     "pg": "^6.4.2",