2.1.0: Milestone Release

License change

• Change of license from MIT to Apache-2.0 to be in line with other Node-RED projects
  (approved by all contributors)

Enhancements

• Complete re-write of group layout code to stop overlapping issues
• Add ui_form widget to submit complete form in one go
• Add swipe left/right between tabs
• Add "comms lost" toast when connection lost to server
• Add allow formatting of chart x-axis date formatting
• Let ui_numeric, ui_textinput and ui_dropdown also control passthru of incoming values
• Add step size option to ui_slider widget to allow floating point numbers more easily
• Allow switch label to be dynamically set by msg input
• Add Dashboard version number to console.log on start

Fixes

• Fill dark background more completely
• Fix CSS sizing for Safari 10
• Let ui_dropdown pass through payload values
• Let dashboard open iframes again (if allowed by remote site)
• Stop double scrollbars appearing on internal frames
• Stop ui_control causing missing group prompt
• Fix missing sidenav "left" item on initial page load
• Fix enter key to work for ui_textinput on FF
• Fix groups sizes to display border correctly on FF
• Fix dropdown select types
• Fix switch to only switch if input value matches on and off values