added messages list, new client form, logic for client Apps plus others

public/libs/select2/docs/_sass/_code.scss

@@ -0,0 +1,16 @@
+// Code (inline and block)
+
+// Inline code within headings retain the heading's background-color
+h2 code,
+h3 code,
+h4 code {
+  background-color: inherit;
+}
+
+// Modify Bootstrap's styles for blocks of code
+pre.prettyprint {
+  padding: 9px 14px;
+  margin-bottom: 14px;
+  background-color: #f7f7f9;
+  border: 1px solid #e1e1e8;
+}