DDF-226: Updated ConfigurationWatcher and moved to new platform bundle.
DDF-218: Moved catalog-core-api into catalog application.

Tweaked code in original configuration watcher to allow backward compatability with applications built upon the old code. The DdfConfigurationManager is now a ConfigurationWatcher for the new code.
DDF-222 - updated KMLTransformerImpl to use metacard attributes instead of XSL
DDF-229 - KmlStyleMapper allows custom Style based on metacard attributes
Merge branch 'kml-enhancements' of https://github.com/codice/ddf into kml-enhancements

Conflicts:
	catalog/kml/catalog-kml-transformer/src/main/java/ddf/service/kml/KMLTransformerImpl.java
	catalog/kml/catalog-kml-transformer/src/main/resources/OSGI-INF/blueprint/blueprint.xml
	catalog/kml/catalog-kml-transformer/src/test/java/ddf/service/kml/TestKMLTransformerImpl.java