Console command to reload cache, documentation for apier on cache and scheduler, various small fixes

docs/api_cache.rst

@@ -0,0 +1,66 @@
+Cache APIs
+==========
+
+Set of cache related APIs.
+
+
+ApierV1.ReloadCache
+-------------------
+
+Used to enforce a cache reload. It can be fine tuned to reload individual destinations and rating plans. In order to reload all destinations and/or rating plans, one can use empty list or null values instead.
+
+**Request**:
+
+Data:
+
+ ::
+
+  type ApiReloadCache struct {
+	DestinationIds      []string
+	RatingPlanIds       []string
+   }
+
+ Mandatory parameters: none
+
+ *JSON sample*:
+  ::
+
+   {
+    "id": 1,
+    "method": "ApierV1.ReloadCache",
+    "params": [
+        {
+            "DestinationIds": [
+                "GERMANY",
+                "GERMANY_MOBILE",
+                "FS_USERS"
+            ],
+            "RatingPlanIds": [
+                "RETAIL1"
+            ]
+        }
+    ]
+   }
+
+**Reply**:
+
+ Data:
+  ::
+
+   string
+
+ Possible answers:
+   * *OK*
+
+ *JSON sample*:
+  ::
+
+   {
+    "error": null,
+    "id": 1,
+    "result": "OK"
+   }
+
+**Errors**:
+
+ ``SERVER_ERROR`` - Server error occurred.