3.1.0 Official

code freeze for release

Change-Id: I98a01d35200369bb5507b002d57bceb2a33ae416
diff --git a/config/common.mk b/config/common.mk
index 1e4c621..b5e8cb4 100644
--- a/config/common.mk
+++ b/config/common.mk
@@ -159,7 +159,7 @@
 include vendor/slim/config/themes_common.mk
 PRODUCT_VERSION_MAJOR = 3
 PRODUCT_VERSION_MINOR = 1
-PRODUCT_VERSION_MAINTENANCE = RC2
+PRODUCT_VERSION_MAINTENANCE = 0
 
 PRODUCT_BUILD_PROP_OVERRIDES += BUILD_DISPLAY_ID=JZO54K