1.3.2: Allow custom slug name for components

See milestone for additional fixes:
https://github.com/rainlab/blog-plugin/milestone/1?closed=1

Author: Ben Thomson

updates/version.yaml

@@ -48,3 +48,4 @@
     - Added metadata column for plugins to store data in
     - posts_add_metadata.php
 1.3.1: Fixed metadata column not being jsonable
+1.3.2: Allow custom slug name for components, add 404 handling for missing blog posts, allow exporting of blog images.