Fix version number in chocolatey nuspec file
<!-- Read this before publishing packages to chocolatey.org: https://github.com/chocolatey/chocolatey/wiki/CreatePackages -->
<id>asciidoctorj</id>
<title>AsciidoctorJ (Install)</title>
- <version>1.5.6</version>
+ <version>1.6.0</version>
<!--
https://github.com/asciidoctor/asciidoctorj/graphs/contributors
https://github.com/asciidoctor/asciidoctor/graphs/contributors
<mailingListUrl>http://discuss.asciidoctor.org/</mailingListUrl>
<bugTrackerUrl>https://github.com/asciidoctor/asciidoctorj/issues</bugTrackerUrl>
<tags>asciidoctor asciidoc docbook pdf</tags>
- <copyright>2012-2017 Dan Allen, Ryan Waldron and the Asciidoctor Project</copyright>
+ <copyright>2012-2018 Dan Allen, Ryan Waldron and the Asciidoctor Project</copyright>
<licenseUrl>https://raw.githubusercontent.com/asciidoctor/asciidoctorj/master/LICENSE.txt</licenseUrl>
<requireLicenseAcceptance>false</requireLicenseAcceptance>
<!-- https://github.com/asciidoctor/asciidoctor/issues/48
