Prepare for next development iteration

Change-Id: I18a87d7e41c9149e0f071db1edb083089ca475d8
Use a different temporal directory for each instance

Otherwise there can be problems with permission on /tmp/kms directory
because the permissions set while creating it are only a mask that is
overrode by umask.

Change-Id: I495e08bea68e15d4112b859d90020f1a2607f3f8
Prepare release 4.3.4

Change-Id: Ie3da82db12a4560842fb7d7eead8ccdb686c432d