Bump trunk version numbers to 1.9a3pre / 3.0a3pre. b=369583 r=preed

browser/app/module.ver

@@ -1,7 +1,7 @@
 WIN32_MODULE_COMPANYNAME=Mozilla Corporation
 WIN32_MODULE_COPYRIGHT=©Firefox and Mozilla Developers, according to the MPL 1.1/GPL 2.0/LGPL 2.1 licenses, as applicable.
 WIN32_MODULE_PRODUCTVERSION=3,0,0,0
-WIN32_MODULE_PRODUCTVERSION_STRING=3.0a2pre
+WIN32_MODULE_PRODUCTVERSION_STRING=3.0a3pre
 WIN32_MODULE_TRADEMARKS=Firefox is a Trademark of The Mozilla Foundation.
 WIN32_MODULE_DESCRIPTION=Firefox
 WIN32_MODULE_PRODUCTNAME=Firefox

browser/config/version.txt

@@ -1 +1 @@
-3.0a2pre
+3.0a3pre

config/milestone.txt

@@ -10,4 +10,4 @@
 # hardcoded milestones in the tree from these two files.
 #--------------------------------------------------------
 
-1.9a2pre
+1.9a3pre