actually use 3.3.1

Author: ddavison

Base/Dockerfile

@@ -35,7 +35,7 @@ RUN apt-get update -qqy \
 # Selenium
 #==========
 RUN  mkdir -p /opt/selenium \
-  && wget --no-verbose https://selenium-release.storage.googleapis.com/3.3/selenium-server-standalone-3.3.0.jar -O /opt/selenium/selenium-server-standalone.jar
+  && wget --no-verbose https://selenium-release.storage.googleapis.com/3.3/selenium-server-standalone-3.3.1.jar -O /opt/selenium/selenium-server-standalone.jar
 
 #========================================
 # Add normal user with passwordless sudo