Enable the CMS menu to be configured without overriding the CMS data file.

Is your feature request related to a problem? Please describe.

When you are a enduser and use an editor and plugin settings is filtering input then html is just stripping out of text.

Describe the solution you'd like

User should get notification that html was cleaning for plugin settings so better usability

Additional context

I have problem in custom fields that filter is enab

After #1109 we do not need the whole JQuery anymore, we should use the lightweight Zepto as a drop-in replacement

• Zepto is 9.6K
• JQuery is 84K

Also an option to not include any library would be nice (all Silex components shoud be jquery-free)

• replace JQuery with Zepto
• remove JQuery syntax from components
• add an option to not include JQuery/

It is a common use-case to require a comma in a form choice, such as "Please specify your income: $1,000 - $2,000" etc. I think it would be preferable to use pipe separator since it is not an English grammatical character.

While we do have a very customized form page, we are still leaning on some underpinnings of wagtail.contrib.forms, so I think we will either need to provide our own choice fi

• Straightforward now that this is implemented: #30
• YAML lib: https://github.com/KamilLelonek/yaml-elixir
• Current parsers: pardall_markdown/metadata_parser

Proposed Solution

1. Parse YAML to Elixir, getting an Elixir map from the YAML FrontMatter string.
2. Then, feed the resulting e