v1.20.0

Start preparing for major refactoring in major mode.

Added

• Add php-project variables for workflow (#488)
  • The following variables are reserved as file/directory local variables.
    • php-project-repl
    • php-project-unit-test
    • php-project-deploy
    • php-project-build
    • php-project-server-start

Changed

• Improve code highlight
  • Fix highlighting of callable keyword (#471 by @fabacino)
  • Highlight the ? character for nullable type hints and return types (#482 by @fabacino)
• Modify "customize group" and variables
  • Add php-mode group and some variables belong to new group (#486)
    • php-default-face → php-mode-default-face
    • php-speedbar-config → php-mode-speedbar-config
    • php-template-compatibility → php-mode-template-compatibility
    • php-lineup-cascaded-calls → php-mode-lineup-cascaded-calls
    • php-extra-constants → php-mode-extra-constants
    • php-do-not-use-semantic-imenu → php-mode-do-not-use-semantic-imenu
• Modify documents and copyright
  • Move the URL of Website to https://github.com/emacs-php/php-mode
  • Add copyright notation about Friends of Emacs-PHP development
  • Add a "Hall of Fame" to the contributors list (#481 by @ejmr and thanks @sergey48k and @sourcerer-io project)
• Some refactors
  • Fix style and suppress warning in compile #485