Allow Normal user to add new swimlane, list and label.

Thanks to RyanHecht, norrig and xet7 !

Fixes #4276,
fixes #4785

client/components/cards/labels.jade

@@ -37,5 +37,4 @@ template(name="cardLabelsPopup")
               = name
             if(isLabelSelected ../_id)
               i.card-label-selectable-icon.fa.fa-check
-  if currentUser.isBoardAdmin
-    a.quiet-button.full.js-add-label {{_ 'label-create'}}
+  a.quiet-button.full.js-add-label {{_ 'label-create'}}

client/components/swimlanes/swimlaneHeader.jade

@@ -24,8 +24,7 @@ template(name="swimlaneFixedHeader")
           | {{isTitleDefault title}}
   .swimlane-header-menu
     unless currentUser.isCommentOnly
-      if currentUser.isBoardAdmin
-        a.fa.fa-plus.js-open-add-swimlane-menu.swimlane-header-plus-icon(title="{{_ 'add-swimlane'}}")
+      a.fa.fa-plus.js-open-add-swimlane-menu.swimlane-header-plus-icon(title="{{_ 'add-swimlane'}}")
       a.fa.fa-navicon.js-open-swimlane-menu(title="{{_ 'swimlaneActionPopup-title'}}")
       //// TODO: Collapse Swimlane: make button working, etc.
       //unless collapsed

client/components/swimlanes/swimlanes.jade

@@ -46,8 +46,8 @@ template(name="listsGroup")
 
 template(name="addListForm")
   unless currentUser.isWorker
-    .list.list-composer.js-list-composer(class="{{#if isMiniScreen}}mini-list{{/if}}")
-      if currentUser.isBoardAdmin
+    unless currentUser.isCommentOnly
+      .list.list-composer.js-list-composer(class="{{#if isMiniScreen}}mini-list{{/if}}")
         .list-header-add
           +inlinedForm(autoclose=false)
             input.list-name-input.full-line(type="text" placeholder="{{_ 'add-list'}}"