remove unused thumbnail expansion function, add thumbnail throbber

README.md

@@ -1,10 +1,10 @@
 # Gochan
 
-A muti-threaded Imageboard software project in Go
+A muti-threaded imageboard server written in Go
 
-At the moment, regular users can:
-- Log in as the initial admin account (password is "password"
-- Create new threads
+Currently, regular users can:
+- Log in as the initial admin account (password is "password" by default)
+- Create a new thread
 - Post in a thread
 - Upload an image with a post
 
@@ -34,7 +34,6 @@ Staff can:
 + Features
 	- Load error html pages into memory and use templating
 	- Set up load balancing
-	- Set up HTTPS for management
 	- Set up timezone adjusting
 	- Give administrator server control options (restart/shutdown daemon, etc)
 	- add edit post functionality, both for staff and regular posters
@@ -44,4 +43,5 @@ Staff can:
 	- set up board pagination
 	- set up client-side watched threads list
 	- set up Ponychan/4chan-X style javascript features
-	- generate robots.txt
++ Attribution
+	- Thumbnail loading throbber generated by http://preloaders.net/