Add grunt.js build script

- Move Bootstrap LESS files into new subdirectory

- Change app.css to app.less, add @import's to utilize
Bootstrap variables and mixins

- Remove plugins.js and main.js

- Move Bootstrap JS plugins into new subdirectory

- Add new _main.js file with example DOM-based routing
script that works off the WordPress body_class

- lib/scripts.php has been updated to remove all extra
CSS and JS files and also places JavaScript in the footer

assets/css/less/bootstrap/tooltip.less

@@ -0,0 +1,70 @@
+//
+// Tooltips
+// --------------------------------------------------
+
+
+// Base class
+.tooltip {
+  position: absolute;
+  z-index: @zindexTooltip;
+  display: block;
+  visibility: visible;
+  padding: 5px;
+  font-size: 11px;
+  .opacity(0);
+  &.in     { .opacity(80); }
+  &.top    { margin-top:  -3px; }
+  &.right  { margin-left:  3px; }
+  &.bottom { margin-top:   3px; }
+  &.left   { margin-left: -3px; }
+}
+
+// Wrapper for the tooltip content
+.tooltip-inner {
+  max-width: 200px;
+  padding: 3px 8px;
+  color: @tooltipColor;
+  text-align: center;
+  text-decoration: none;
+  background-color: @tooltipBackground;
+  .border-radius(4px);
+}
+
+// Arrows
+.tooltip-arrow {
+  position: absolute;
+  width: 0;
+  height: 0;
+  border-color: transparent;
+  border-style: solid;
+}
+.tooltip {
+  &.top .tooltip-arrow {
+    bottom: 0;
+    left: 50%;
+    margin-left: -@tooltipArrowWidth;
+    border-width: @tooltipArrowWidth @tooltipArrowWidth 0;
+    border-top-color: @tooltipArrowColor;
+  }
+  &.right .tooltip-arrow {
+    top: 50%;
+    left: 0;
+    margin-top: -@tooltipArrowWidth;
+    border-width: @tooltipArrowWidth @tooltipArrowWidth @tooltipArrowWidth 0;
+    border-right-color: @tooltipArrowColor;
+  }
+  &.left .tooltip-arrow {
+    top: 50%;
+    right: 0;
+    margin-top: -@tooltipArrowWidth;
+    border-width: @tooltipArrowWidth 0 @tooltipArrowWidth @tooltipArrowWidth;
+    border-left-color: @tooltipArrowColor;
+  }
+  &.bottom .tooltip-arrow {
+    top: 0;
+    left: 50%;
+    margin-left: -@tooltipArrowWidth;
+    border-width: 0 @tooltipArrowWidth @tooltipArrowWidth;
+    border-bottom-color: @tooltipArrowColor;
+  }
+}