[#2299417] by bzrudzi71, cilefen: a2enable php5 module in drupalci/web-5.5 dockerfile
[#2285405] by bzrudi71, cilefen: Enforce a minimum docker version
by jthorson: Add docker install to vagrant provision.sh file
[#2310297] by jthorson: Resolve syntax error in start.sh psql create database command
[#2310265] by jthorson: Add vagrant user to the docker group in Vagrant provisioning
[#2309133] by jthorson: Add vim to default container build
[#2309101] by jthorson: Output the docker command used to create the container in the log output.