Work on appveyor build.

Fixes alphaleonis#489: File.Copy fails with DirectoryNotFoundExceptio…

…n on long path

-Removed usage of obsolete members in constructor and obsolete using …

…statements;

Merge branch 'BugFixes_2.2.4'

Update CHANGELOG.md

Prepare for release 2.2.2

Finish 2.2.1

Updated year in copyright notices.

Updated version numbers.

Prepare for release of 2.1.3.

- Updated copyright notices to 2017. (Fixes alphaleonis#323)
- Fixed some documentation issues.
- Updated file versions.

Finish 2.1.2