- added SQLite back end

- reworked graphical representation to use widgets

com.minres.scviewer.database.sqlite/META-INF/MANIFEST.MF

@@ -0,0 +1,14 @@
+Manifest-Version: 1.0
+Bundle-ManifestVersion: 2
+Bundle-Name: Sqlite transaction database
+Bundle-SymbolicName: com.minres.scviewer.database.sqlite
+Bundle-Version: 1.0.0.qualifier
+Bundle-Vendor: MINRES Technologies GmbH
+Bundle-RequiredExecutionEnvironment: JavaSE-1.7
+Require-Bundle: com.minres.scviewer.database;bundle-version="1.0.0",
+ org.eclipse.equinox.util;bundle-version="1.0.500",
+ org.eclipse.equinox.ds;bundle-version="1.4.200",
+ org.eclipse.osgi.services;bundle-version="3.4.0"
+Bundle-ClassPath: .,
+ sqlite-jdbc-3.8.7.jar
+Service-Component: OSGI-INF/component.xml