Code changes to support running Kura over Concierge OSGi Framework

This is the result of the GSoC 2014 project to port Kura over Concierge. The code changes are listed in brief below,
- Added init.xargs launch properties file for concierge build into distrib folder.
- Addition of concierge-repo folder to target-platform folder and pom file.
- Added required concierge specific and equinox dependency bundles to concierge-repo folder.
- Added a concierge build profile to the manifest pom in kura folder.
- Changes to kura ant build in distrib to run concierge build
- Added namespace definitions to kura.core.configuration bundle to prevent jaxb unmarshall exceptions over Concierge when running loadSnapshot method.
- Hard coded package name in kura.deployment.agent.DeploymentAgentService  to prevent getPackage() resulting in NullPointException over Concierge (https://bugs.eclipse.org/bugs/show_bug.cgi?id=441913).