Revert r101557 and put back version pins for zodbcode and zope.app.interface....

Revert r101557 and put back version pins for zodbcode and zope.app.interface. These are actual dependencies of zope.app.zcmlfiles, which in turn is a test dependency of numerous packages we use. Having a consistent known set of packages for tests is as important as having one for production.

versions.cfg

@@ -25,6 +25,7 @@ zc.lockfile = 1.0.0
 zc.recipe.egg = 1.2.2
 zc.recipe.testrunner = 1.2.0
 zdaemon = 2.0.4
+zodbcode = 3.4.0
 zope.annotation = 3.4.2
 zope.app.applicationcontrol = 3.5.0
 zope.app.appsetup = 3.12.0
@@ -44,6 +45,7 @@ zope.app.form = 3.8.0
 zope.app.generations = 3.5.0
 zope.app.http = 3.6.0
 zope.app.i18n = 3.6.0
+zope.app.interface = 3.5.0
 zope.app.locales = 3.5.1
 zope.app.localpermission = 3.7.0
 zope.app.pagetemplate = 3.7.1