Add i18n for site_info.

Add always display site title.
Changes for menu in front-end

config/locales/en.yml

@@ -98,6 +98,7 @@ en:
     admin: Admin
     action: Action
     all_articles: List
+    always_display_title: Always displayed in the title bar
     announcement: Announcement
     asset: Asset
     assets:
@@ -147,6 +148,7 @@ en:
     is_published: Is published
     item: Item
     key: Key
+    keywords: Keywords
     language: Language
     layout: Layout
     layout_name: Layout name
@@ -199,7 +201,10 @@ en:
     setup_translations: Translations setup
     setup_designs: Designs setup
     site: Site
+    site_description: Site description
+    site_footer: Site footer
     site_settings: Site Setting
+    site_title: Site title
     super_pages: Super pages
     structure: Structure
     title: Title

config/locales/zh_tw.yml

@@ -91,6 +91,7 @@ zh_tw:
     add_drop_down_item: ＋增加Orbit選單
     admin: 網站管理者
     all_articles: 列表
+    always_display_title: 永遠顯示於標題列
     announcement: 公告管理
     asset: 資產
     assets:
@@ -144,6 +145,7 @@ zh_tw:
     is_published: 被出版
     item: 網站架構
     key: 關鍵
+    keywords: 關鍵字
     language: 語言
     layout: 佈局
     layout_name: 佈局名字
@@ -189,7 +191,10 @@ zh_tw:
     purchase: 購買
     role: 身份
     roles: 身份
+    site_description: 網站描述
+    site_footer: 網站頁尾
     site_settings: 基本設定
+    site_title: 網站標題
     setup_member: 成員設置
     setup_translations: 語系設定
     setup_designs: 版型設定