common/docker: made functions into methods on docker struct

naming consistency in skeleton main and orchestrator main files
Merge branch 'HTTP' of github.com:c00w/skeleton into HTTP
Merge branch 'master' into HTTP
MakeFile: Don't break the build
Readme: Add testing instructions
readme: explicitly say what should be installed from the websites
test/Vagrantfile: Spin out provisioning and fix it
readme: Update instructions
test/provision: Fix the script