v0.8.8

• Add Czech translations [Jan Svoboda]
• Add Simplified Chinese translations [Li Jie]
• Add support for singular resources (Trestle.resource(:name, singular: true) do ...)
• Add support for per-admin translations of titles, button labels and flash messages
• Add clear button to date/time picker fields
• Add config.reload option to customize admin reloading strategy (:always or :on_update)
• Add Trestle::Resource#instance_path(instance, options) method
• Add inheritance support to admin_for(instance) helper
• Update default Gravatar image
• Improve default breadcrumbs for module-scoped admins
• Allow root admin breadcrumb to be disabled via breadcrumb false
• Fix issue with conflicting tabs within dialogs
• Fix form_group helper behavior within templates
• Fix JSON serialization of Configuration objects
• Fix form submission when HTML5 validations are used
• Fix error field rendering within input groups
• Fix compatibility with will_paginate gem (must set custom Kaminari.config.page_method_name)