add config option to set title

unity_webapp.info

 name = Unity Webapp
 description = "Ubuntu Unity Api Integration"
 package = Administration
+configure = admin/config/user-interface/unity-webapp
 core = 7.x
 scripts[] = unity_webapp.js

unity_webapp.module

@@ -38,9 +38,15 @@ function unity_webapp_page_alter(&$page) {
   if ($faviconurl == $base_root . "/misc/favicon.ico") {
     $faviconurl = $base_root . "/" .drupal_get_path("module","unity_webapp") . "/img/druplicon.ico";
   }
+  if (variable_get("unity_webapp_title") && (variable_get("unity_webapp_title") != "")) {
+    $unity_title = variable_get("unity_webapp_title");
+  }
+  else {
+    $unity_title = variable_get('site_name');
+  }
   $my_settings = array(
     'pagetitle' => drupal_get_title(),
-    'sitename' => variable_get('site_name'),
+    'sitename' => $unity_title,
     'links'    => unity_webapp_generate_links_array(),
     'favicon'  => $faviconurl,
     'baseurl'  => $uri,
@@ -61,3 +67,95 @@ function unity_webapp_permission() {
     ),
   );
 }
+
+/**
+ * Implements hook_menu().
+ */
+function unity_webapp_menu() {
+  $items = array();
+
+  $items['admin/config/user-interface/unity-webapp'] = array(
+    'title' => 'Unity Webapp',
+    'type' => MENU_NORMAL_ITEM,
+    'page callback' => 'drupal_get_form',
+    'page arguments' => array('unity_webapp_form'),
+    'access callback' => 'user_access',
+    'access arguments' => array('administer site configuration'),
+  );
+
+  return $items;
+}
+
+/**
+ * Page callback for unity_webapp.
+ */
+function unity_webapp_form($form, $form_state) {
+  $form = array();
+  $form['unity_webapp_title'] = array(
+    '#required' => '0',
+    '#description' => "<p>" . t('Title to use for unity launcher. Defaults to global sitename if empty.') . "</p>" . "<p><strong>" . t("Unity Api supports only Alphanumeric Characters and whitespace") . "</strong></p>",
+    '#default_value' => variable_get("unity_webapp_title", ''),
+    '#weight' => '0',
+    '#type' => 'textfield',
+    '#title' => t('Title'),
+  );
+  return system_settings_form($form);
+}
+
+/**
+ * Implements hook_block_info().
+ */
+function unity_webapp_block_info() {
+  $blocks = array();
+
+  $blocks['unity_webapp'] = array(
+    'info' => 'Unity Webapp',
+  );
+
+  return $blocks;
+}
+
+/**
+ * Implements hook_block_view().
+ */
+function unity_webapp_block_view($delta) {
+  if ('unity_webapp' == $delta && user_access('administer site configuration')) {
+    return array(
+      'subject' => 'Unity Webapp',
+      'content' => drupal_get_form('unity_webapp_form'),
+    );
+  }
+}
+
+/**
+ * Implements hook_variable_info().
+ */
+function config_builder_variable_info($options) {
+  $variables = array();
+  $variables['title'] = array(
+    'name' => 'title',
+    'title' => 'Title',
+    'type' => 'string',
+    'default' => NULL,
+    'group' => 'unity_webapp',
+    'module' => 'unity_webapp',
+  );
+  return $variables;
+}
+
+/**
+ * Implements hook_variable_group_info().
+ */
+function unity_webapp_variable_group_info() {
+  $groups = array();
+
+  $groups['unity_webapp'] = array(
+    'title' => 'Unity Webapp',
+    'description' => 'Settings for Unity Web Api integration',
+    'path' => 'admin/config/user-interface/unity-webapp',
+    'access' => 'administer site configuration',
+  );
+
+  return $groups;
+}
+