Replace color dropdown by color picker in task forms

assets/js/src/App.js

@@ -7,6 +7,7 @@ function App() {
     this.dropdown = new Dropdown();
     this.tooltip = new Tooltip(this);
     this.popover = new Popover(this);
+    this.task = new Task();
     this.keyboardShortcuts();
     this.chosen();
     this.poll();
@@ -34,6 +35,7 @@ App.prototype.listen = function() {
     this.tooltip.listen();
     this.dropdown.listen();
     this.search.listen();
+    this.task.listen();
     this.search.focus();
     this.taskAutoComplete();
     this.datePicker();

assets/js/src/Task.js

@@ -0,0 +1,10 @@
+function Task() {
+}
+
+Task.prototype.listen = function() {
+    $(document).on("click", ".color-square", function() {
+        $(".color-square-selected").removeClass("color-square-selected");
+        $(this).addClass("color-square-selected");
+        $("#form-color_id").val($(this).data("color-id"));
+    });
+};