Adding /stats resource (work in progress)
Improved RunType definitions
Refactor setup/teardown logic for run preparation (including image and deployment creation)
Merge branch 'master' into stats
Remove unnecessary groupId
Remove appliances?
Orchestrator required for both deployment and build
Same orchestration naming convention applied for both, even if machine build only ever work with one cloud
Apply styling
Remove redundant code since already called in super
Not an issue with Java 7
Add metering and refactor
Harmonised runtime parameter creation and initialisation in the factory
Removed magic values in favour of constants in RuntimeParameter (and Run)
Merge branch 'master' into stats

Conflicts:
	jar/src/main/java/com/sixsq/slipstream/application/RootApplication.java
Add meters resource with internal redirect
Add configuration for metering service
Merge branch 'master' into stats

Conflicts:
	jar/src/main/java/com/sixsq/slipstream/run/RunResource.java
added validation of the Marketplace endpoint for StratusLab connector.
Refactored orchestrator type detection
Swallow exception for remove (don’t like it)
Improved the "Terminate" method in the CloudStack connector.
Merge branch 'master' of https://github.com/slipstream/SlipStreamServer
Method extract orchestrator runtime parameter initialisation
Allow empty runs