Use consistent description for Helm Chart and Python PIP library

Author: jertel

chart/elastalert2/Chart.yaml

@@ -1,5 +1,5 @@
 apiVersion: v1
-description: Elastalert 2 is a simple framework for alerting on anomalies, spikes, or other patterns of interest from data in Elasticsearch.
+description: Automated rule-based alerting for Elasticsearch
 name: elastalert2
 version: 2.0.3
 appVersion: 2.0.3

setup.py

@@ -9,7 +9,7 @@
 setup(
     name='elastalert2',
     version='2.0.3',
-    description='Runs custom filters on Elasticsearch and alerts on matches',
+    description='Automated rule-based alerting for Elasticsearch',
     setup_requires='setuptools',
     license='Apache 2.0',
     classifiers=[