updating changelog based on recent pulls

debian/changelog

@@ -1,5 +1,16 @@
 metpx-sr3 (3.00.45) UNRELEASED; urgency=medium
 
+  * use topic field in message as an override when available to 
+    determine publishing topic of downloaded files.
+  * log rotation setting parsing now uses normal parsing (same as
+    all other options) CHANGE: logRotateInterval default units is seconds,
+    like all other sr3 *duration* settings
+  * improved messages when failing to connect to brokers.
+  * log messages content reviewed for improved readability/usability
+  * fix #784 starting foreground with patterns.
+  * fix #783 metrics calculations (large negative number on startup)
+  * fix #780 disabled instances prevents finding missing ones.
+    (sr3 sanity not working when disable configs present.)
   * Adding NASA API plugin support #769
   * interim fix #772 rename bug in mirroring.
   * fix #773 DESTFNSCRIPT arguments different from callback.