New UI changes(tags, categories, authorisations, module index…)

To run:
  - ruby lib/remove_old_tags.rb DB_NAME
  - rake new_ui:migrate_tags
  - rake new_ui:migrate_categories['APP_KEY,''MODEL_NAME'] (check new_ui.rake for more details)

config/locales/new_ui.en.yml

@@ -0,0 +1,51 @@
+en:
+  add_category: Add category
+  add_link: Add link
+  add_page: Add page
+  add_to_default: Add to default
+  alternative: Alternative
+  approval_setting: Approval Setting
+  change: Change
+  create:
+    error:
+      category: Error when creating category
+      tag: Error when creating tag
+  deselect_all: Deselect all
+  detail: Detail
+  edit_category: Edit Categorie
+  editing:
+    tag: Editing tag
+  file:
+    name: File name
+  language: Language
+  login_orbit: Log In to Orbit
+  merge: Merge
+  new:
+    tag: New tag
+  next: Next
+  no_app: No module
+  no_category: No Available Category
+  no_date: No date
+  previous: Previous
+  remove: Remove
+  remove_default: Remove default
+  search:
+    tags: Search tags
+  select_all: Select all
+  select_file: Select file
+  select_image: Select image
+  tag:
+    add: Add tag
+    delete: Delete tags
+    new_name: New tag name
+    merge_help: Select the name you want to use or own defined
+    merger: Tag Merger
+    remove_default: Remove default tags
+    warning: 
+      delete: This action can not be restored, are you sure you want to delete these tags?
+      remove_default: Are you sure you want to remove the default tags?
+  update:
+    error:
+      tag: Error when updating category
+      tag: Error when updating tag
+  url_alt: Alternative text