elkstatisticsgraphs

elk 统计关键字每天出现的次数，绘图并发送邮件

##发送样例

Name		Name	Last commit message	Last commit date
Latest commit History 9 Commits
graph_images		graph_images
.gitignore		.gitignore
Graph_elk.py		Graph_elk.py
README.md		README.md
__init__.py		__init__.py
elkerror_main.py		elkerror_main.py
elkserverapi.py		elkserverapi.py

Provide feedback