Add the ability to suggest items for someone else without pledging for it (#29)

* add suggest button to wishlist

* make suggest button work

* remove delete-on-unpledge logic

views/wishlist.pug

@@ -215,9 +215,12 @@ block content
           name='note',
           placeholder=lang('WISHLIST_OPTIONAL')
         )
-    .field
+    .field.is-grouped
       .control
         input.button(type='submit' value=(req.user._id === req.params.user ? lang('WISHLIST_ADD') : lang('WISHLIST_PLEDGE_ITEM')))
+      if req.user._id !== req.params.user
+        .control
+          input.inline.button(type='submit', value=lang('WISHLIST_SUGGEST'), name='suggest')
   script(src=`${_CC.config.base}js/wishlist.js`)
 
 block print