Update text files for 2.3.0RC2

PKG-INFO

@@ -1,7 +1,7 @@
 Metadata-Version: 1.0
 Name: SABnzbd
-Version: 2.3.0RC1
+Version: 2.3.0RC2
-Summary: SABnzbd-2.3.0RC1
+Summary: SABnzbd-2.3.0RC2
 Home-page: https://sabnzbd.org
 Author: The SABnzbd Team
 Author-email: team@sabnzbd.org

README.mkd

@@ -1,6 +1,12 @@
-Release Notes - SABnzbd 2.3.0 RC 1
+Release Notes - SABnzbd 2.3.0 RC 2
 =========================================================
 
+## Changes since 2.3.0 RC 1
+- Improved download performance 10-15% on CPU limited devices
+  by removing redundant article verification.
+- Linux: Update of SABYenc to version 3.1.0 is required.
+- Password file was loaded from disk excessively
+
 ## Changes since 2.2.1
 - Option to limit Servers to specific Categories removed
 - Improved par2 handling and obfuscated files detection