[zanata/zanata-api] 6de8f1: Check for blank DocumentType

[GitHub]

  Branch: refs/heads/ZNTA-1023-add-FileTypeInfo
  Home:   https://github.com/zanata/zanata-api
  Commit: 6de8f1e227c41e52c2f8d4f0292b378a034d2dc8
      https://github.com/zanata/zanata-api/commit/6de8f1e227c41e52c2f8d4f0292b378a034d2dc8
  Author: Sean Flanigan <sflaniga at redhat.com>
  Date:   2016-07-19 (Tue, 19 Jul 2016)

  Changed paths:
    M zanata-common-api/src/main/java/org/zanata/common/DocumentType.java

  Log Message:
  -----------
  Check for blank DocumentType