[zanata/zanata-api] 5646ac: chore: upgrade to commons lang 4

[GitHub]

  Branch: refs/heads/commons-lang-3
  Home:   https://github.com/zanata/zanata-api
  Commit: 5646ac69a27a97467ca868e2adde9e6d5d401af5
      https://github.com/zanata/zanata-api/commit/5646ac69a27a97467ca868e2adde9e6d5d401af5
  Author: Sean Flanigan <sflaniga at redhat.com>
  Date:   2016-06-28 (Tue, 28 Jun 2016)

  Changed paths:
    M zanata-common-api/pom.xml
    M zanata-common-api/src/main/java/org/zanata/rest/ElemSet.java
    M zanata-common-api/src/main/java/org/zanata/rest/dto/extensions/gettext/HeaderEntry.java
    M zanata-common-api/src/main/java/org/zanata/rest/dto/resource/ExtensionSet.java

  Log Message:
  -----------
  chore: upgrade to commons lang 4