Freak not out if ehcache.jar is not available. Instead just don't build Depot.

git-svn-id: https://samskivert.googlecode.com/svn/trunk@2031 6335cc39-0255-0410-8fd6-9bcaacd3b74c

src/java/com/samskivert/jdbc/depot/tests/TestRecord.java

@@ -1,7 +1,7 @@
 //
 // $Id$
 
-package com.samskivert.jdbc.tests;
+package com.samskivert.jdbc.depot.tests;
 
 import java.sql.Date;
 import java.sql.Timestamp;

src/java/com/samskivert/jdbc/depot/tests/TestRepository.java

@@ -1,7 +1,7 @@
 //
 // $Id$
 
-package com.samskivert.jdbc.tests;
+package com.samskivert.jdbc.depot.tests;
 
 import java.sql.Date;
 import java.sql.Timestamp;