[zanata/zanata] 07a5ad: Remove logback, reverting to log4j

[GitHub]

  Branch: refs/heads/integration/master
  Home:   https://github.com/zanata/zanata
  Commit: 07a5add255f683745c1b2eb11416e71978e8c988
      https://github.com/zanata/zanata/commit/07a5add255f683745c1b2eb11416e71978e8c988
  Author: Sean Flanigan <sflaniga at redhat.com>
  Date:   2012-12-12 (Wed, 12 Dec 2012)

  Changed paths:
    M zanata-war/pom.xml
    A zanata-war/src/test/resources/log4j.xml
    R zanata-war/src/test/resources/logback.groovy

  Log Message:
  -----------
  Remove logback, reverting to log4j

log4j-over-slf4j doesn't implement addAppender/removeAppender, which
we use, thus causing our tests to break with
IncompatibleClassChangeError.