contrib/jenkins.sh: Execute pylint also on all contrib python scripts

This way we get linting coverage for sim-rest-{server,client}, eidtool,
unber and others.

Change-Id: I2d6271d493d0f6765e6a184f8ae32f8325317be2

contrib/jenkins.sh

@@ -57,9 +57,7 @@ case "$JOB_TYPE" in
 		--disable E0401 \
 		--enable W0301 \
 		pySim tests/*.py *.py \
-		contrib/es2p_client.py \
-		contrib/es9p_client.py \
-		contrib/saip-tool.py
+		contrib/*.py
 	;;
 "docs")
 	rm -rf docs/_build