#1639: Polished examples
Fixes ENTESB-1780 - fabric:join should not rename container's name

Conflicts:
	fabric/fabric-boot-commands/src/main/java/io/fabric8/boot/commands/JoinAction.java
Fixes ENTESB-1811 - fabric:container-create-openshift add '--gear-size' parameter when creating containers.
Fixes ENTESB-1810 - fabric:container-create-openshift command ignore the parameter [number]