Better import and various stuff

templates/sheets/apps/app_skill_category_importer.html

@@ -3,8 +3,10 @@
 
     <h3>Import Skill Categories/Skills</h3>
     <div>
+      <span>
         WARNING: This will erase your existing Skill Categories or Skills and import all Skill Categories/Skills from the selected Compendium. 
         Note that the import will select only skills and categories matching the "Common" items and the selected game system.
+      </span>
     </div>
     <div class="flexrow">
         <span >Select Skill Categories Compendium:</span>