Added XChart 2.2.1 library - CQ 7796
Merge pull request #1 from kaikreuzer/CQ7796

Added XChart 2.2.1 library - CQ 7796
removed outdated dependencies
removed logging bridges
removed OSGi log listener
removed specific version in dependencies
remove ui dependency in item rest interface
refactored sitemap rest api to declare required services itself
Merge pull request #2 from kaikreuzer/deps-pr

Multiple fixes on bundle dependencies
added pano mqtt library - CQ 7817
Merge pull request #3 from kaikreuzer/CQ7817

added pano mqtt library - CQ 7817
Merge branch 'master' into minimal-persistence

Conflicts:
	bundles/core/org.eclipse.smarthome.core.persistence/META-INF/MANIFEST.MF