[zanata/zanata-platform] d2d4da: reduce java warnings

[GitHub]

  Branch: refs/heads/ZNTA-2216-review-admin-page
  Home:   https://github.com/zanata/zanata-platform
  Commit: d2d4dafd0528aa24bdf1c7485c9277f648cb1a31
      https://github.com/zanata/zanata-platform/commit/d2d4dafd0528aa24bdf1c7485c9277f648cb1a31
  Author: Patrick Huang <pahuang at redhat.com>
  Date:   2017-09-25 (Mon, 25 Sep 2017)

  Changed paths:
    M server/services/src/main/java/org/zanata/rest/editor/service/UserService.java
    M server/services/src/main/java/org/zanata/rest/review/ReviewService.java
    M server/services/src/main/java/org/zanata/rest/review/dto/TransReviewCriteria.java

  Log Message:
  -----------
  reduce java warnings