Feature/add docs (#689)

* Add converted docs repo

* Set theme jekyll-theme-minimal

* Removed BC docs, added TOC

* Added TOCs, rewrote most important links in documentation. Linked README to new Github Pages site

* some link fixes

docs/programmers/api-variables/variable-default-config-handler-func.md

@@ -0,0 +1,50 @@
+\$default\_config\_handler\_func {#variable.default.config.handler.func}
+================================
+
+This function is called when a config file cannot be obtained from its
+resource.
+
+> **Note**
+>
+> The default handler is currently only invoked for file resources. It
+> is not triggered when the resource itself cannot be found, in which
+> case a SmartyException is thrown.
+
+
+    <?php
+
+    $smarty = new Smarty();
+    $smarty->default_config_handler_func = 'my_default_config_handler_func';
+
+    /**
+     * Default Config Handler
+     *
+     * called when Smarty's file: resource is unable to load a requested file
+     * 
+     * @param string   $type     resource type (e.g. "file", "string", "eval", "resource")
+     * @param string   $name     resource name (e.g. "foo/bar.tpl")
+     * @param string  &$content  config's content
+     * @param integer &$modified config's modification time
+     * @param Smarty   $smarty   Smarty instance
+     * @return string|boolean   path to file or boolean true if $content and $modified 
+     *                          have been filled, boolean false if no default config 
+     *                          could be loaded
+     */
+    function my_default_config_handler_func($type, $name, &$content, &$modified, Smarty $smarty) {
+        if (false) {
+            // return corrected filepath
+            return "/tmp/some/foobar.tpl";
+        } elseif (false) {
+            // return a config directly
+            $content = 'someVar = "the config source"';
+            $modified = time();
+            return true;
+        } else {
+            // tell smarty that we failed
+            return false;
+        }
+    }
+
+    ?>
+
+