Add Locust test template

Signed-off-by: Drasko DRASKOVIC <drasko.draskovic@gmail.com>

test/locust/README.md

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+## Locust Performance Testing
+Locust website: http://locust.io/
+
+Locust is an easy-to-use, distributed, user load testing tool.
+Intended for load testing web sites (or other systems) and figuring out how many
+concurrent users a system can handle.
+
+## Usage
+```bash
+locust -f locustfile.py --host=http://localhost:1026
+```
+
+Open the browser at localhost:8089 and start the swarm.
+
+## Documentation
+http://docs.locust.io/en/latest/index.html

test/locust/checkStatus.py

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+from locust import HttpLocust, TaskSet, task, ResponseError
+
+class CheckStatus(TaskSet):
+    def on_start(self):
+        """ on_start is called when a Locust start before any task is scheduled """
+        print("Locus test started")
+
+    @task(1)
+    def getVersion(self):
+        headers = {'Content-Type': 'application/json', 'Accept': 'application/json'}
+        response = self.client.get("/version", headers=headers)
+
+        print "Response status code:", response.status_code
+        print "Response content:", response.content
+
+class HelloLocust(HttpLocust):
+    task_set = CheckStatus
+    min_wait=5000
+    max_wait=9000