[zanata/zanata-platform] 3d9ea9: fix(ZNTA-1740): add javadoc to migration class

[GitHub]

  Branch: refs/heads/tmx-ZNTA-1740
  Home:   https://github.com/zanata/zanata-platform
  Commit: 3d9ea9e0b5fa1ab369a2a2ce0ad49e31d111966a
      https://github.com/zanata/zanata-platform/commit/3d9ea9e0b5fa1ab369a2a2ce0ad49e31d111966a
  Author: Sean Flanigan <sflaniga at redhat.com>
  Date:   2017-02-21 (Tue, 21 Feb 2017)

  Changed paths:
    M server/zanata-war/src/main/java/org/zanata/liquibase/custom/RebuildTMXPlainText.java

  Log Message:
  -----------
  fix(ZNTA-1740): add javadoc to migration class