Introduced new nestedform form widget (see Backend > Forms docs).

API Changes

• Added format property to text and number type columns which runs the value through sprintf using the provided format.
• Added new nestedform widget that allows you to infinetly nest forms inside of each other for maximum reusability of fields that are stored in model array attributes (such as jsonable or encryptable)
• Added option as an alias for alt in input.hotkey.js for Mac developers
• Pass the originating event object to the callback function in input.hotkey.js as the third parameter
• Added backend.manage_default_dashboard permission to lock down who has access to change the system's default dashboard configuration

Bug Fixes

• Fixed issue with the backend upgrade process to Build 444 where the user model would be retrieved before running the migration that added the deleted_at column to the users table
• Fixed support for the placeholder option on richeditor fields
• Fixed issue where using the clear search button in a Search widget that was within an HTML form element would cause the form to submit

Translation Improvements

• Minor improvements to Brazilian Portugese translation
• Improvements to Spanish translation

Community Improvements

• Updated the OctoberCMS Contributing Guidelines
• Added issue & PR templates
• Moved Code of Conduct to it's own file