[maven-release-plugin] prepare release 0.7
[maven-release-plugin] prepare release 0.7

Molez/markdown-page-generator-plugin,junlapong/markdown-page-generator-plugin,vsch/markdown-page-generator-plugin,fxnn/markdown-page-generator-plugin,vsch/markdown-page-generator-plugin,walokra/markdown-page-generator-plugin,walokra/markdown-page-generator-plugin,perfhector/markdown-page-generator-plugin