Merge e7f7eda18cc69287f30c512a98b4e90453bcd8e7 into fc73d7abdc1bbee1147b35b68824481c9b0c8841

Dockerfile

 FROM alpine:3.6
-MAINTAINER searx <https://github.com/asciimoo/searx>
-LABEL description "A privacy-respecting, hackable metasearch engine."
+LABEL maintainer="searx <https://github.com/asciimoo/searx>"
+LABEL description="A privacy-respecting, hackable metasearch engine."
 
 ENV BASE_URL=False IMAGE_PROXY=False
 EXPOSE 8888