Integrate release notes; added release 0.1.0 notes.
Added contact page, mentioning the mailing list and G+.
Moved adoc/ReleaseNotes/v0.1.0 to adoc/news/release-0.1.0.
Added news page.
Added blue owl.
Updated sysdb submodule (HTML5 for manpages).
Switched from XHTML1.1 to HTML5.
Added G+ +1 button.