FIX: update markdown-page-generator-plugin  (2.1.0 ---> 2.2.0)
FIX: update markdown-page-generator-plugin  (2.1.0 ---> 2.2.0)

Refs: #227

Asqatasun/Contrast-Finder,Asqatasun/Contrast-Finder,Asqatasun/Contrast-Finder,Asqatasun/Contrast-Finder