Merge pull request docusign#87 from docusign/2.7.0

Version 2.7.0 of DocuSign Java SDK

Released version 2.6.2

2.5.1 release

Merge pull request docusign#69 from docusign/2.5.0

Version 2.5.0 of the Java SDK

Release version 2.4.2

Released version 2.4.1

Merge pull request docusign#51 from docusign/2.4.0

Version 2.4.0

Fixed a case typo in the code sample

Using clean maven command

getting ready for version 2.2.0 release