Add Wekan v2.95-v2.97 master branch features and fixes to meteor-1.8 branch.

Thanks to xet7 !

models/boards.js

@@ -238,7 +238,12 @@ Boards.attachSchema(
         'pomegranate',
         'pumpkin',
         'wisteria',
+        'moderatepink',
+        'strongcyan',
+        'limegreen',
         'midnight',
+        'dark',
+        'relax',
       ],
       // eslint-disable-next-line consistent-return
       autoValue() {
@@ -1223,7 +1228,8 @@ if (Meteor.isServer) {
    * @description This allows to create a board.
    *
    * The color has to be chosen between `belize`, `nephritis`, `pomegranate`,
-   * `pumpkin`, `wisteria`, `midnight`:
+   * `pumpkin`, `wisteria`, `moderatepink`, `strongcyan`,
+   * `limegreen`, `midnight`, `dark`, `relax`:
    *
    * <img src="https://wekan.github.io/board-colors.png" width="40%" alt="Wekan logo" />
    *