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/code.less

@@ -0,0 +1,44 @@
+// Code.less
+// Code typography styles for the <code> and <pre> elements
+// --------------------------------------------------------
+
+// Inline and block code styles
+code,
+pre {
+  padding: 0 3px 2px;
+  #font > #family > .monospace;
+  font-size: @baseFontSize - 1;
+  color: @grayDark;
+  .border-radius(3px);
+}
+code {
+  padding: 3px 4px;
+  color: #d14;
+  background-color: #f7f7f9;
+  border: 1px solid #e1e1e8;
+}
+pre {
+  display: block;
+  padding: (@baseLineHeight - 1) / 2;
+  margin: 0 0 @baseLineHeight / 2;
+  font-size: 12px;
+  line-height: @baseLineHeight;
+  background-color: #f5f5f5;
+  border: 1px solid #ccc; // fallback for IE7-8
+  border: 1px solid rgba(0,0,0,.15);
+  .border-radius(4px);
+  white-space: pre;
+  white-space: pre-wrap;
+  word-break: break-all;
+
+  // Make prettyprint styles more spaced out for readability
+  &.prettyprint {
+    margin-bottom: @baseLineHeight;
+  }
+
+  // Account for some code outputs that place code tags in pre tags
+  code {
+    padding: 0;
+    background-color: transparent;
+  }
+}