Update release script with new package names introduced in 2.13

inst/generate_index.py

@@ -13,7 +13,7 @@ from ConfigParser import RawConfigParser as ConfigParser
 # packages containing upper-case letters
 upper_names = ('ClientForm', 'RestrictedPython', 'ZConfig', 'ZODB3', 'zLOG',
                'Acquisition', 'DateTime', 'ExtensionClass', 'Persistence',
-               'ZopeUndo', )
+               'ZopeUndo', 'Missing', 'MultiMapping', 'Record', 'ThreadLock', )
 
 def write_index(package, version):
     print >>sys.stderr, 'Package %s==%s' % (package, version)