Reset total SQL count on route transition (#624)

Fix total SQL count for SPAs when `show_total_sql_count` is enabled.

Author: lucas-telus

lib/html/includes.js

@@ -1179,6 +1179,7 @@ var _MiniProfiler = (function() {
 
       reqs = 0;
       totalTime = 0;
+      totalSqlCount = 0;
       expandedResults = false;
       toArray(
         document.querySelectorAll(".profiler-results .profiler-result")