- Lots of fixes for notifying when updates and checks are complete

- Fixes for NewsHelper stored timestamps
- Add getProperty(String, long) to context for sanity
- New methods and types
- Logging improvements
- Add failsafe TaskCleaner

core/java/src/net/i2p/I2PAppContext.java

@@ -479,6 +479,26 @@ public class I2PAppContext {
         return ival;
     }
 
+    /**
+     * Return a long with a long default
+     * @since 0.9.4
+     */
+    public long getProperty(String propName, long defaultVal) {
+        String val = null;
+        if (_overrideProps != null) {
+            val = _overrideProps.getProperty(propName);
+            if (val == null)
+                val = System.getProperty(propName);
+        }
+        long rv = defaultVal;
+        if (val != null) {
+            try {
+                rv = Long.parseLong(val);
+            } catch (NumberFormatException nfe) {}
+        }
+        return rv;
+    }
+
     /**
      * Return a boolean with a boolean default
      * @since 0.7.12