bump version to 0.3
bump version to 0.3

moypray/flocker-docker-plugin,hackday-profilers/flocker-docker-plugin,moypray/flocker-docker-plugin,mbrukman/flocker-docker-plugin,wallnerryan/flocker-docker-plugin,wallnerryan/flocker-docker-plugin,wallnerryan/flocker-docker-plugin,moypray/flocker-docker-plugin,hackday-profilers/flocker-docker-plugin,hackday-profilers/flocker-docker-plugin,mbrukman/flocker-docker-plugin,mbrukman/flocker-docker-plugin