[xmlunit/xmlunit.net] 6ddde9: prepare 2.2.0 release

[GitHub <no...@gi...>]

  Branch: refs/heads/master
  Home:   https://github.com/xmlunit/xmlunit.net
  Commit: 6ddde9d2d3377dc6f63ca16de4ee52a2fed113d1
      https://github.com/xmlunit/xmlunit.net/commit/6ddde9d2d3377dc6f63ca16de4ee52a2fed113d1
  Author: Stefan Bodewig <ste...@fr...>
  Date:   2016-06-04 (Sat, 04 Jun 2016)

  Changed paths:
    M RELEASE_NOTES.md
    M src/doc/monodoc/core/index.xml
    M src/shared/CommonAssemblyInfo.cs

  Log Message:
  -----------
  prepare 2.2.0 release