Added "Spring" to "Technologies" MD.
[ENTESB-1684] Fix fabric-project-deployer feature
Fix handling of env variables in ComponentConfigurer. Replace use of system properties in create/join commands with BootstrapConfiguration.
#1987 allow the maximum number of containers per host and the maximum number of profile instances per host to be configured in the requirements along with testing what the autoscaler will choose to do
#539 added a profile for the dns
fixes #2034 to provide a REST API to the registry in fabric8 and to the entire ZK tree too
fixes #2037 so that the autoscaler status is available in ZK and REST
fix bad formatting in change log
#2037 provide access to the autoscaler status on the FabricService API, via JMX and via the CLI via an 'autoscale-status' command
#1987 sort hosts using a weighting function based on the number of containers and profiles in use and the position in the index to avoid using random selection and to more fairly allocate containers to hosts