new css classes for icons:

.icon-flipped (mirrors icon)
.icon-spin (icon spins once on hover)
.icon-spin-reverse (mirror of icon spin)

less/qfq-bs.css.less

@@ -741,4 +741,39 @@ select.qfq-locked:invalid {
 
 .qfq-wavy-underline {
   background: url('../icons/wavy-underline.gif') bottom repeat-x
+}
+
+/* glyphicon functions */
+.icon-flipped {
+  transform: scaleX(-1);
+  -moz-transform: scaleX(-1);
+  -webkit-transform: scaleX(-1);
+  -ms-transform: scaleX(-1);
+}
+
+.icon-spin {
+  display: block;
+}
+
+.icon-spin:hover {
+  -webkit-animation: spin 850ms 1 ease-in;
+  animation: spin 850ms 1 ease-in;
+}
+
+.icon-spin-reverse {
+  display: block;
+}
+
+.icon-spin-reverse:hover {
+  -webkit-animation: spin-reverse 850ms 1 ease-in;
+  animation: spin-reverse 850ms 1 ease-in;
+}
+
+@keyframes spin-reverse {
+  0% {
+    transform: scaleX(-1) rotate(-360deg);
+  }
+  100% {
+    transform: scaleX(-1) rotate(0deg);
+  }
 }
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