Updating Bootstrap to v.2.0.0

roots-actions.php:  added responsive css framework file
roots-options.php: changed default css classes for bootstrap v2.0.0
roots-scripts.php: updated less to v1.2.1, changed the load order and
added new scripts for bootstrap v2.0.0

Added all of the new css, js, less asset files and updated all of the
previous ones for bootstrap v2.0.0

css/bootstrap/lib/carousel.less

@@ -0,0 +1,121 @@
+// CAROUSEL
+// --------
+
+.carousel {
+  position: relative;
+  margin-bottom: @baseLineHeight;
+  line-height: 1;
+}
+
+.carousel-inner {
+  overflow: hidden;
+  width: 100%;
+  position: relative;
+}
+
+.carousel {
+
+  .item {
+    display: none;
+    position: relative;
+    .transition(.6s ease-in-out left);
+  }
+
+  // Account for jankitude on images
+  .item > img {
+    display: block;
+    line-height: 1;
+  }
+
+  .active,
+  .next,
+  .prev { display: block; }
+
+  .active {
+    left: 0;
+  }
+
+  .next,
+  .prev {
+    position: absolute;
+    top: 0;
+    width: 100%;
+  }
+
+  .next {
+    left: 100%;
+  }
+  .prev {
+    left: -100%;
+  }
+  .next.left,
+  .prev.right {
+    left: 0;
+  }
+
+  .active.left {
+    left: -100%;
+  }
+  .active.right {
+    left: 100%;
+  }
+
+}
+
+// Left/right controls for nav
+// ---------------------------
+
+.carousel-control {
+  position: absolute;
+  top: 40%;
+  left: 15px;
+  width: 40px;
+  height: 40px;
+  margin-top: -20px;
+  font-size: 60px;
+  font-weight: 100;
+  line-height: 30px;
+  color: @white;
+  text-align: center;
+  background: @grayDarker;
+  border: 3px solid @white;
+  .border-radius(23px);
+  .opacity(50);
+
+  // we can't have this transition here
+  // because webkit cancels the carousel
+  // animation if you trip this while
+  // in the middle of another animation
+  // ;_;
+  // .transition(opacity .2s linear);
+
+  // Reposition the right one
+  &.right {
+    left: auto;
+    right: 15px;
+  }
+
+  // Hover state
+  &:hover {
+    color: @white;
+    text-decoration: none;
+    .opacity(90);
+  }
+}
+
+// Caption for text below images
+// -----------------------------
+
+.carousel-caption {
+  position: absolute;
+  left: 0;
+  right: 0;
+  bottom: 0;
+  padding: 10px 15px 5px;
+  background: @grayDark;
+  background: rgba(0,0,0,.75);
+}
+.carousel-caption h4,
+.carousel-caption p {
+  color: @white;
+}