Update README.md

Author: javaarchive

README.md

@@ -3,3 +3,5 @@ Useful library for usaco and other purposes.
 . Use releases when possible otherwise download usacotools.java. 
 # Release dates and more
 Find release dates at https://javaarchive.github.io/Java/. Moved to https://github.com/javaarchive/Java/wiki
+# Important 2019 update, goes into effect 12/14/2018
+The usacotools java library will be offically moved to it's own repositroy. Link to to be provided later.