- fixed scrolling sync issue

- fixed duplicate db entries

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

@@ -8,3 +8,6 @@ Bundle-RequiredExecutionEnvironment: JavaSE-1.7
 Export-Package: com.minres.scviewer.database
 Bundle-ActivationPolicy: lazy
 Service-Component: OSGI-INF/component.xml
+Require-Bundle: org.eclipse.equinox.ds;bundle-version="1.4.200",
+ org.eclipse.equinox.util;bundle-version="1.0.500",
+ org.eclipse.osgi.services;bundle-version="3.4.0"