Fix tests, cleanup and add known issues file

issues.md

@@ -0,0 +1,32 @@
+# stats on task return wrong values:
+```
+curl 'http://127.0.0.1:9000/api/case/task/_stats' -H 'Content-Type: application/json;charset=UTF-8' -d '
+{
+  "query": {
+    "_and": [{
+      "_parent": {
+        "_type": "case",
+        "_query": {
+          "_id": "4320"
+        }
+      }
+    }, {
+      "_not": {
+        "status": "Cancel"
+      }
+    }]
+  },
+  "stats": [{
+    "_agg": "field",
+    "_field": "status",
+    "_select": [{
+      "_agg": "count"
+    }]
+  }, {
+    "_agg": "count"
+  }]
+}'
+```
+The filter `_parent` is ignored.
+
+# Handle BadConfiguration in errorHandler 

thehive/test/org/thp/thehive/FunctionalTest.scala

@@ -80,7 +80,7 @@ class FunctionalTest extends PlaySpecification {
                                               |}
                                               |auth.providers: [
                                               |  {name: basic},
-                                              |  {name:local}
+                                              |  {name: local}
                                               |]
     """.stripMargin))
 //  Configuration(ConfigFactory.parseString("""