devel/ruby-redmine-purplemine2-theme: update to 2.14.0

pkgsrc change: switch to use devel/ruby-redmine/redmine.mk.

2.14.0 (2021-01-27)

* Merged #220: fixed drag & drop behavior.

2.13.0 (2020-09-26)

* Replaced node-sass with sass.
* Resolved issues with inline-svg function in Node 14.x.

2.12.1 (2020-08-11)

Fixes:

* Fixed #204 - missing context menu icons in Easy WBS plugin.

2.12.0 (2020-08-01)

Fixes:

* Fixed #196 and #199: text wrapping in certain column types.
* Merged #203: fixed pagination overlapping wiki content.

2.11.0 (2020-05-08)

Fixes:

* Fixed #179: full screen mode issues when using redmine_wysiwyg_editor
  plugin.
* Fixed #177: changed styling for icon-only buttons to resolve weird
  behavior on hover.
* Fixed checkbox cell padding when issue table borders are enabled.
* Added table icon to jstoolbar styles.
* Added new .inline-flex class.

New:

* Added $icon-width variable.
* Added margin in some places like after buttons, avatars.
* Changed tooltip background to black.
* Changed top menu styles.
* Restored $color-priorities variable, false by default.
* Added parse-length($value, $side) function for extracting length/width
  from margin/padding/border.
* Refactored icons code.
* Improved styles for RedmineUP plugins (Agile, Checklists, CRM, Tags).
* Improved vertical alignment of certain form elements.
* Improved styles for sortable elements.
* Improved styles for Redmine Banner plugin. #189.

* The most notable change in this release is custom styles for Redmine Agile
  plugin.  It can be disabled by setting $agile-board-customize: false in
  your custom variables file.

(taca)