Merge remote-tracking branch 'origin/master'

# Conflicts:
#	src/main/java/com/loafle/overflow/crawler/mongo/MongoCrawler.java
#	src/test/resources/config/example.json

src/test/resources/config/example.json

@@ -28,12 +28,10 @@
         "memory.usage.mapped",
         "memory.usage.mappedWithJournal"
       ],
-
       "queryInfo": {
         "query":"mem",
         "dataBaseName":"admin",
-        "statusCommand":"serverStatus",
-        "parseDirection" : "col"
+        "statusCommand":"serverStatus"
       },
       "keys" : [
         "bits",
@@ -43,8 +41,6 @@
         "mapped",
         "mappedWithJournal"
       ]
-
-
     }
   ]
 }