Update news for 1.5.0 release

Author: MarkLeith

NEWS.md

@@ -1,6 +1,6 @@
 # Change history for the MySQL sys schema
 
-## 1.5.0 (...)
+## 1.5.0 (11/09/15)
 
 ### Improvements
 
@@ -35,7 +35,7 @@
 * The `ps_is_account_enabled` function was updated to take a VARCHAR(32) user input on 5.7, as a part of WL#2284
 * The generate_sql_file.sh script had a number of improvements:
  * Generated files are now output in to a "gen" directory, that is ignored by git
- * Added using a new default user (that has the account locked) for the MySQL 5.7+ integration as the DEFINER for all objects
+ * Added using a new default "mysql.sys@localhost" user (that has the account locked) for the MySQL 5.7+ integration as the DEFINER for all objects
  * Added a warning to the top of the generated integration file to also submit changes to the sys project
  * Improved the the option of skipping binary logs, so that all routines can load as well - those that used SET sql_log_bin will now select a warning when being used instead of setting the option