Give better error messages for users when trying to run the 64 bit editor on a 32 bit JVM

tools/create_editor.py

Index: tools/create_editor.py
===================================================================
--- tools/create_editor.py	(revision 28043)
+++ tools/create_editor.py	(working copy)
@@ -81,6 +81,8 @@
   f.close()
   lines[lines.index('-Xms40m\n')] = '-Xms256m\n'
   lines[lines.index('-Xmx1000m\n')] = '-Xmx2000m\n'
+  # Add -d64 to give better error messages to user in 64 bit mode.
+  lines[lines.index('-vmargs\n')] = '-vmargs\n-d64\n'
   f = open(iniFilePath, 'w')
   f.writelines(lines);
   f.close()