added soft wip limit feature, fixed wipLimit=0 bug (??)

client/components/lists/listHeader.jade

@@ -5,10 +5,12 @@ template(name="listHeader")
     else
       h2.list-header-name(
         class="{{#if currentUser.isBoardMember}}js-open-inlined-form is-editable{{/if}}")
-        = title
-        if isWipLimitEnabled
-          span
-            | ({{cards.count}}/#{wipLimit.value})
+        = title 
+        if wipLimit.enabled
+         | (
+         span(class="{{#if reachedWipLimit}}highlight{{/if}}") {{cards.count}}
+         |/#{wipLimit.value})
+        
         if showCardsCountForList cards.count
           = cards.count
           span.lowercase
@@ -18,7 +20,7 @@ template(name="listHeader")
           i.list-header-watch-icon.fa.fa-eye
         div.list-header-menu
           unless currentUser.isCommentOnly
-            unless isWipLimitEnabled
+            if canSeeAddCard
               a.js-add-card.fa.fa-plus.list-header-plus-icon
             a.fa.fa-navicon.js-open-list-menu
 
@@ -86,6 +88,10 @@ template(name="setWipLimitPopup")
         input.wip-limit-value(type="number" value="{{ wipLimitValue }}" min="1" max="99")
         input.wip-limit-apply(type="submit" value="{{_ 'apply'}}")
         input.wip-limit-error
+      p
+        .soft-wip-limit
+          .materialCheckBox(class="{{#if isWipLimitSoft}}is-checked{{/if}}")
+        label Soft Limit
         
 template(name="wipLimitErrorPopup")
   .wip-limit-invalid