Changes font size of EssenceHtml textarea.
Adds upgrade notice for t method rename.
Using the Alchemy::Logger.warn in base helper warn method.
Adds link for legacy url migration into dummy app
Element editor error message styling.
Adds an copy-views option to alchemy:scaffold generator.

That copies all alchemy frontend views (messages navigation notifications search) into the host app.
Fixes the page sorting in the sitemap. [ci skip]
Fixes an issue in the trash view for elements with a renamed/deleted cell.
Adds specs for cell model.
Corrects formatting of cell specs.
Fixes Rails version in executable.
Fixes install notice URL for empty mount points.

Closes #349 [ci-skip]
Fixes install task.
Do not css animate all input properties on focus.
Removes unnecessary code
Creating language tree redirects to sitemap not the intro page.
Scopes search from translations
Cache pictures for a month.

Sets scope to 'private' if picture is restricted.
Fixes the content validation translations.
Flash notice refactorings

* Adds a render_flash_notice helper
* Add close icon to sticky errors
* Fade warnings