fix file permission on docker-entrypoint.sh, so it's executable
fix file permission on docker-entrypoint.sh, so it's executable

mccartney/docker-atlassian-confluence,varju/docker-atlassian-confluence,mccartney/docker-atlassian-confluence,cptactionhank/docker-atlassian-confluence,cptactionhank/docker-atlassian-confluence,varju/docker-atlassian-confluence