Updated Roadmap (markdown)

Roadmap.md

@@ -4,6 +4,7 @@
         - Optional e-mail address
         - Checkboxes during registration with configurable texts in Markdown
         - Configurable activation URLs on/off
+        - First user becomes superadmin
     - Logging out
     - Retrieving lost password through e-mail address
 - Posts stuff
@@ -17,7 +18,9 @@
                 - Paste url
         - Customizable post thumbnail
         - Multiple images?
+            - Ability to remove accidentally selected images before final upload
         - Tags
+            - Autocomplete
         - Content type changes UI behaviour (it's senseless to upload file with content type set to youtube)
             - Implementation details - youtube can be stored as files as well, just plaintext containing URL/ID
         - Image gets unique file name so that it can be hotlinked by registered users, but it's url cannot be guessed by unregistered ones (accessing nsfw post by `/post/30065d2112f85177a20b81d2c4dd08fe.jpg` vs `/post/244.jpg`)
@@ -46,7 +49,7 @@
     - Comment display
         - Processing contents with Markdown parser
 - Privileges stuff
-    - Access ranks that are mapped into bit arrays, where each bit means something else (for example, admin has "can edit any comment" set to 1 while anonymous user has "can upload new post" set to 0)
+    - Access ranks that are mapped into bit arrays, where each bit means something else (for example, admin has "can edit any comment" set to 1 while anonymous user has "can upload new post" set to 0). Configurable.
 - Admin stuff
     - Listing users
     - Changing user passwords/mails/whatever