/**
* handle migration
*/
public static void commitMigrationIfNecessary()
{
TapestryLibraryRegistryUpgradeUtil upgradeUtil =
TapestryLibraryRegistryUpgradeUtil.getInstance();
UpgradeStatus status = upgradeUtil.getUpgradeStatus();
if (status.getSeverity() == IStatus.OK)
{
if (status.isUpgradeOccurred())
{