Update Twitter Bootstrap upto v3.1.1.

_assets/vendor/bootstrap/less/panels.less

@@ -14,8 +14,39 @@
 
 // Panel contents
 .panel-body {
-  padding: 15px;
-  .clearfix();
+  padding: @panel-body-padding;
+  &:extend(.clearfix all);
+}
+
+// Optional heading
+.panel-heading {
+  padding: 10px 15px;
+  border-bottom: 1px solid transparent;
+  .border-top-radius((@panel-border-radius - 1));
+
+  > .dropdown .dropdown-toggle {
+    color: inherit;
+  }
+}
+
+// Within heading, strip any `h*` tag of its default margins for spacing.
+.panel-title {
+  margin-top: 0;
+  margin-bottom: 0;
+  font-size: ceil((@font-size-base * 1.125));
+  color: inherit;
+
+  > a {
+    color: inherit;
+  }
+}
+
+// Optional footer (stays gray in every modifier class)
+.panel-footer {
+  padding: 10px 15px;
+  background-color: @panel-footer-bg;
+  border-top: 1px solid @panel-inner-border;
+  .border-bottom-radius((@panel-border-radius - 1));
 }
 
 
@@ -30,14 +61,21 @@
 
     .list-group-item {
       border-width: 1px 0;
+      border-radius: 0;
+    }
 
-      // Remove border radius for top one
-      &:first-child {
-        .border-top-radius(0);
+    // Add border top radius for first one
+    &:first-child {
+      .list-group-item:first-child {
+        border-top: 0;
+        .border-top-radius((@panel-border-radius - 1));
       }
-      // But keep it for the last one
-      &:last-child {
+    }
+    // Add border bottom radius for last one
+    &:last-child {
+      .list-group-item:last-child {
         border-bottom: 0;
+        .border-bottom-radius((@panel-border-radius - 1));
       }
     }
   }
@@ -60,12 +98,50 @@
   > .table-responsive > .table {
     margin-bottom: 0;
   }
+  // Add border top radius for first one
+  > .table:first-child,
+  > .table-responsive:first-child > .table:first-child {
+    .border-top-radius((@panel-border-radius - 1));
+
+    > thead:first-child,
+    > tbody:first-child {
+      > tr:first-child {
+        td:first-child,
+        th:first-child {
+          border-top-left-radius: (@panel-border-radius - 1);
+        }
+        td:last-child,
+        th:last-child {
+          border-top-right-radius: (@panel-border-radius - 1);
+        }
+      }
+    }
+  }
+  // Add border bottom radius for last one
+  > .table:last-child,
+  > .table-responsive:last-child > .table:last-child {
+    .border-bottom-radius((@panel-border-radius - 1));
+
+    > tbody:last-child,
+    > tfoot:last-child {
+      > tr:last-child {
+        td:first-child,
+        th:first-child {
+          border-bottom-left-radius: (@panel-border-radius - 1);
+        }
+        td:last-child,
+        th:last-child {
+          border-bottom-right-radius: (@panel-border-radius - 1);
+        }
+      }
+    }
+  }
   > .panel-body + .table,
   > .panel-body + .table-responsive {
     border-top: 1px solid @table-border-color;
   }
-  > .table > tbody:first-child th,
-  > .table > tbody:first-child td {
+  > .table > tbody:first-child > tr:first-child th,
+  > .table > tbody:first-child > tr:first-child td {
     border-top: 0;
   }
   > .table-bordered,
@@ -83,9 +159,22 @@
         > td:last-child {
           border-right: 0;
         }
-
-        &:last-child > th,
-        &:last-child > td {
+      }
+    }
+    > thead,
+    > tbody {
+      > tr:first-child {
+        > td,
+        > th {
+          border-bottom: 0;
+        }
+      }
+    }
+    > tbody,
+    > tfoot {
+      > tr:last-child {
+        > td,
+        > th {
           border-bottom: 0;
         }
       }
@@ -98,44 +187,14 @@
 }
 
 
-// Optional heading
-.panel-heading {
-  padding: 10px 15px;
-  border-bottom: 1px solid transparent;
-  .border-top-radius(@panel-border-radius - 1);
-
-  > .dropdown .dropdown-toggle {
-    color: inherit;
-  }
-}
-
-// Within heading, strip any `h*` tag of it's default margins for spacing.
-.panel-title {
-  margin-top: 0;
-  margin-bottom: 0;
-  font-size: ceil((@font-size-base * 1.125));
-  color: inherit;
-
-  > a {
-    color: inherit;
-  }
-}
-
-// Optional footer (stays gray in every modifier class)
-.panel-footer {
-  padding: 10px 15px;
-  background-color: @panel-footer-bg;
-  border-top: 1px solid @panel-inner-border;
-  .border-bottom-radius(@panel-border-radius - 1);
-}
-
-
 // Collapsable panels (aka, accordion)
 //
 // Wrap a series of panels in `.panel-group` to turn them into an accordion with
 // the help of our collapse JavaScript plugin.
 
 .panel-group {
+  margin-bottom: @line-height-computed;
+
   // Tighten up margin so it's only between panels
   .panel {
     margin-bottom: 0;
@@ -171,12 +230,12 @@
 .panel-success {
   .panel-variant(@panel-success-border; @panel-success-text; @panel-success-heading-bg; @panel-success-border);
 }
+.panel-info {
+  .panel-variant(@panel-info-border; @panel-info-text; @panel-info-heading-bg; @panel-info-border);
+}
 .panel-warning {
   .panel-variant(@panel-warning-border; @panel-warning-text; @panel-warning-heading-bg; @panel-warning-border);
 }
 .panel-danger {
   .panel-variant(@panel-danger-border; @panel-danger-text; @panel-danger-heading-bg; @panel-danger-border);
 }
-.panel-info {
-  .panel-variant(@panel-info-border; @panel-info-text; @panel-info-heading-bg; @panel-info-border);
-}