Introduced base css files for plugins

Change-Id: Ia8f1bb671c6e770c19ce196f5161e48cf88b2b2a
diff --git a/Gruntfile.js b/Gruntfile.js
index 3a042b0..114014a 100644
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -79,8 +79,10 @@
         },
         files: {
           'public/css/kalamar-<%= pkg.version %>.css' : 'dev/scss/kalamar.scss',
+          'public/css/kalamar-plugin-<%= pkg.pluginVersion %>.css' : 'dev/scss/base.scss',
           'dev/css/kalamar.css' : 'dev/scss/kalamar.scss',
           'dev/css/kwic.css' : 'dev/scss/main/kwic.scss',
+          'dev/css/kalamar-plugin.css' : 'dev/scss/base.scss'
         }
       }
     },