[Change] set name of all images to ifunsoftware/c3-next:snapshot
[Change] mvn clean install -Pdocker creates an image tagged with ifunsoftware/c3-next:snapshot and removes all untagged images
[Change] docker_build_and_start.sh script removes all containers for tag ifunsoftware/c3-next:snapshot before running a new one
Merge branch 'master' of https://github.com/ifunsoftware/c3-next

Conflicts:
	docker_build_and_start.sh