Upgraded bootstrap to 3.3.4

src/UI/Content/Bootstrap/buttons.less

@@ -12,6 +12,7 @@
   font-weight: @btn-font-weight;
   text-align: center;
   vertical-align: middle;
+  touch-action: manipulation;
   cursor: pointer;
   background-image: none; // Reset unusual Firefox-on-Android default style; see https://github.com/necolas/normalize.css/issues/214
   border: 1px solid transparent;
@@ -22,13 +23,15 @@
   &,
   &:active,
   &.active {
-    &:focus {
+    &:focus,
+    &.focus {
       .tab-focus();
     }
   }
 
   &:hover,
-  &:focus {
+  &:focus,
+  &.focus {
     color: @btn-default-color;
     text-decoration: none;
   }
@@ -43,7 +46,7 @@
   &.disabled,
   &[disabled],
   fieldset[disabled] & {
-    cursor: not-allowed;
+    cursor: @cursor-disabled;
     pointer-events: none; // Future-proof disabling of clicks
     .opacity(.65);
     .box-shadow(none);
@@ -85,11 +88,11 @@
 .btn-link {
   color: @link-color;
   font-weight: normal;
-  cursor: pointer;
   border-radius: 0;
 
   &,
   &:active,
+  &.active,
   &[disabled],
   fieldset[disabled] & {
     background-color: transparent;
@@ -104,7 +107,7 @@
   &:hover,
   &:focus {
     color: @link-hover-color;
-    text-decoration: underline;
+    text-decoration: @link-hover-decoration;
     background-color: transparent;
   }
   &[disabled],
@@ -140,8 +143,6 @@
 .btn-block {
   display: block;
   width: 100%;
-  padding-left: 0;
-  padding-right: 0;
 }
 
 // Vertically space out multiple block buttons