--- a/.hgtags
+++ b/.hgtags
@@ -69,8 +69,10 @@ 462c726144bc1fb45b61e774f64ac5d61b4e047c
 5eb553dd2ceae5f88d80f27afc5ef3935c5d43b0 AURORA_BASE_20110705
 41b84b87c816403e1b74963d8094cff0406c989e AURORA_BASE_20110816
 c0983049bcaa9551e5f276d5a77ce154c151e0b0 AURORA_BASE_20110927
 462c726144bc1fb45b61e774f64ac5d61b4e047c UPDATE_PACKAGING_R15
 54bfd8bf682e295ffd7f22fa921ca343957b6c1c AURORA_BASE_20111108
 a8506ab2c65480cf2f85f54e203ea746522c62bb AURORA_BASE_20111220
 462c726144bc1fb45b61e774f64ac5d61b4e047c UPDATE_PACKAGING_R16
 bbc7014db2de49e2301680d2a86be8a53108a88a AURORA_BASE_20120131
+bbc7014db2de49e2301680d2a86be8a53108a88a AURORA_BASE_20120131
+0000000000000000000000000000000000000000 AURORA_BASE_20120131

--- a/browser/config/version.txt
+++ b/browser/config/version.txt
@@ -1,1 +1,1 @@
-12.0a1
+13.0a1

--- a/config/milestone.txt
+++ b/config/milestone.txt
@@ -5,9 +5,9 @@
 #    x.x.x.x
 #    x.x.x+
 #
 # Referenced by milestone.pl.
 # Hopefully I'll be able to automate replacement of *all*
 # hardcoded milestones in the tree from these two files.
 #--------------------------------------------------------
 
-12.0a1
+13.0a1

--- a/js/src/config/milestone.txt
+++ b/js/src/config/milestone.txt
@@ -5,9 +5,9 @@
 #    x.x.x.x
 #    x.x.x+
 #
 # Referenced by milestone.pl.
 # Hopefully I'll be able to automate replacement of *all*
 # hardcoded milestones in the tree from these two files.
 #--------------------------------------------------------
 
-12.0a1
+13.0a1

--- a/mobile/android/confvars.sh
+++ b/mobile/android/confvars.sh
@@ -33,17 +33,17 @@
 # the provisions above, a recipient may use your version of this file under
 # the terms of any one of the MPL, the GPL or the LGPL.
 #
 # ***** END LICENSE BLOCK *****
 
 MOZ_APP_BASENAME=Fennec
 MOZ_APP_VENDOR=Mozilla
 
-MOZ_APP_VERSION=12.0a1
+MOZ_APP_VERSION=13.0a1
 
 MOZ_BRANDING_DIRECTORY=mobile/android/branding/unofficial
 MOZ_OFFICIAL_BRANDING_DIRECTORY=mobile/android/branding/official
 # MOZ_APP_DISPLAYNAME is set by branding/configure.sh
 
 MOZ_SAFE_BROWSING=
 MOZ_SERVICES_SYNC=
 

--- a/mobile/xul/confvars.sh
+++ b/mobile/xul/confvars.sh
@@ -33,17 +33,17 @@
 # the provisions above, a recipient may use your version of this file under
 # the terms of any one of the MPL, the GPL or the LGPL.
 #
 # ***** END LICENSE BLOCK *****
 
 MOZ_APP_BASENAME=Fennec
 MOZ_APP_VENDOR=Mozilla
 
-MOZ_APP_VERSION=12.0a1
+MOZ_APP_VERSION=13.0a1
 
 MOZ_BRANDING_DIRECTORY=mobile/xul/branding/unofficial
 MOZ_OFFICIAL_BRANDING_DIRECTORY=mobile/xul/branding/official
 # MOZ_APP_DISPLAYNAME is set by branding/configure.sh
 
 MOZ_SAFE_BROWSING=
 MOZ_SERVICES_SYNC=1
 

--- a/xpcom/components/Module.h
+++ b/xpcom/components/Module.h
@@ -48,17 +48,17 @@ namespace mozilla {
 /**
  * A module implements one or more XPCOM components. This structure is used
  * for both binary and script modules, but the registration members
  * (cids/contractids/categoryentries) are unused for modules which are loaded
  * via a module loader.
  */
 struct Module
 {
-  static const unsigned int kVersion = 12;
+  static const unsigned int kVersion = 13;
 
   struct CIDEntry;
 
   typedef already_AddRefed<nsIFactory> (*GetFactoryProcPtr)
     (const Module& module, const CIDEntry& entry);
 
   typedef nsresult (*ConstructorProcPtr)(nsISupports* aOuter,
                                          const nsIID& aIID,