Added resources in preparation for implementing a Semantic Web component in App Inventor
Added Jena libraries.
Updated libs and build.xml files.
Added getCommand to complement postCommand in WebServiceUtil.
Added some basic work on a semantic web component.
Updated libraries
Added ExecuteQuery method and response events.
Updated xercesLite jar removing ResourceBundle calls
Switched to using slf4j-android instead of slf4j-nop.
Updated jena-arq to not reference java.lang.management.*
Updated SemanticWeb component with some additional logging. Fixed wrong content type.
Cleaned up code in SemanticWeb component.
Added methods for creating, loading, and saving models.
Added ConceptURI property to textbox.
Component to triple functionality in Semantic Web component; added LDComponent definition.
Semantified TextBoxBase using the LDComponent interface.
Added libraries to support Lucene indexing.
Added gwt-jquery plugin to support new UI features.
Added jQueryUI items.
Updated build.xml with new libraries.