change var from @table-border to @table-border-color

docs/customize.html

@@ -248,7 +248,7 @@ title: Customize and download
                 <input type="text" placeholder="#f9f9f9">
                 <label>@table-background-hover</label>
                 <input type="text" placeholder="#f5f5f5">
-                <label>@table-border</label>
+                <label>@table-border-color</label>
                 <input type="text" placeholder="#ddd">
 
                 <h3>Forms</h3>

less/tables.less

@@ -26,7 +26,7 @@ th {
     padding: 8px;
     line-height: @line-height-base;
     vertical-align: top;
-    border-top: 1px solid @table-border;
+    border-top: 1px solid @table-border-color;
   }
   // Bottom align for column headings
   thead th {
@@ -43,7 +43,7 @@ th {
   }
   // Account for multiple tbody instances
   tbody + tbody {
-    border-top: 2px solid @table-border;
+    border-top: 2px solid @table-border-color;
   }
 
   // Nesting
@@ -70,13 +70,13 @@ th {
 // ----------------
 
 .table-bordered {
-  border: 1px solid @table-border;
+  border: 1px solid @table-border-color;
   border-collapse: separate; // Done so we can round those corners!
   border-left: 0;
   border-radius: @border-radius-base;
   th,
   td {
-    border-left: 1px solid @table-border;
+    border-left: 1px solid @table-border-color;
   }
   // Prevent a double border
   caption + thead tr:first-child th,

less/variables.less

@@ -78,7 +78,7 @@
 @table-bg-accent:                    #f9f9f9; // for striping
 @table-bg-hover:                     #f5f5f5; // for hover
 
-@table-border:                       #ddd; // table and cell border
+@table-border-color:                 #ddd; // table and cell border
 
 
 // Buttons