[zanata/zanata-api] d97306: Use Guava, not commons-lang3

[GitHub]

  Branch: refs/heads/ZNTA-1023-add-FileTypeInfo
  Home:   https://github.com/zanata/zanata-api
  Commit: d97306bd13a62d8c0cdd5ec038a0cc302333fdde
      https://github.com/zanata/zanata-api/commit/d97306bd13a62d8c0cdd5ec038a0cc302333fdde
  Author: Sean Flanigan <sflaniga at redhat.com>
  Date:   2016-07-27 (Wed, 27 Jul 2016)

  Changed paths:
    M zanata-common-api/pom.xml
    M zanata-common-api/src/main/java/org/zanata/common/DocumentType.java
    M zanata-common-api/src/main/java/org/zanata/common/ProjectType.java
    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:
  -----------
  Use Guava, not commons-lang3

This allows API classes to be used in GWT without danger of bringing
in commons-lang3, which is not automatically compiled for GWT.