[zanata/zanata-server] b4aff2: add ensure log out rule

[GitHub]

  Branch: refs/heads/fix-tests
  Home:   https://github.com/zanata/zanata-server
  Commit: b4aff259af4672c4d948744c333832d7114182fa
      https://github.com/zanata/zanata-server/commit/b4aff259af4672c4d948744c333832d7114182fa
  Author: Patrick Huang <pahuang at redhat.com>
  Date:   2014-06-25 (Wed, 25 Jun 2014)

  Changed paths:
    M functional-test/src/test/java/org/zanata/feature/account/InvalidEmailAddressTest.java
    M functional-test/src/test/java/org/zanata/feature/testharness/ZanataTestCase.java
    A functional-test/src/test/java/org/zanata/util/EnsureLogoutRule.java

  Log Message:
  -----------
  add ensure log out rule