XDOCKER-74: Ability to configure the Servlet Context Path

10/mysql-tomcat/Dockerfile

10/mysql-tomcat/xwiki/docker-entrypoint.sh

10/postgres-tomcat/Dockerfile

10/postgres-tomcat/xwiki/docker-entrypoint.sh

11/mysql-tomcat/Dockerfile

11/mysql-tomcat/xwiki/docker-entrypoint.sh

11/postgres-tomcat/Dockerfile

11/postgres-tomcat/xwiki/docker-entrypoint.sh

README.md

template/Dockerfile

template/xwiki/docker-entrypoint.sh