Fix event log sorting

The error logs were ordered "81, 80, 8, 79 ..."
sortAscending was causing this, remove it and switch "+Id" to "-Id"
which is the correct way to do descending ordering.
http://www.tutorialspark.com/AngularJS/AngularJS_Filter_orderBy.php

Resolves openbmc/openbmc#3233

Tested: Server Overview page and event log page both show correct
order now.
Change-Id: Ie1aee542cec8a6157c538838037ce82fc2525e46
Signed-off-by: Gunnar Mills <gmills@us.ibm.com>
diff --git a/app/server-health/controllers/log-controller.html b/app/server-health/controllers/log-controller.html
index 6d4023a..9dbfd10 100644
--- a/app/server-health/controllers/log-controller.html
+++ b/app/server-health/controllers/log-controller.html
@@ -64,7 +64,7 @@
             </div>
         </div>
         <log-event
-        dir-paginate="event in (filteredLogs = (logs|filter:filterBySeverity|filter:filterByStatus|filter:filterByDate|filter:filterBySearchTerms | orderBy:sortAscending:'+Id'))| itemsPerPage: itemsPerPage"
+        dir-paginate="event in (filteredLogs = (logs|filter:filterBySeverity|filter:filterByStatus|filter:filterByDate|filter:filterBySearchTerms | orderBy:'-Id'))| itemsPerPage: itemsPerPage"
         event="event"
         tmz="tmz"
         multi-selected="selectedEvents.length > 1"