Sort out border collapse for email

root/opt/mailstats/css/mailstats.css

@@ -1,6 +1,6 @@
 table {
-	border:2px solid;
-	border-collapse:collapse;
+	xxborder:2px solid;
+	xxborder-collapse:collapse;
 }
 
 

root/opt/mailstats/templates/mailstats-sub-table.html.pt

@@ -1,5 +1,5 @@
 <h2>${title}</h2>
-    <table border="1">
+    <table style="border-collapse:collapse;">
         <thead>
             <tr>
                 <th tal:repeat="header column_headers">${header}</th>

root/opt/mailstats/templates/mailstats.html.pt

@@ -44,7 +44,7 @@
     <br />
     <h2>${title}</h2>
     <br />
-	<table border="1">
+	<table style="border-collapse:collapse;">
 		<thead>
 			<tr>
 				<th>Date/Time</th>