Update license years
Provide getVersion() in the Git info class

This will return the current tag name if it matches the project
version and if the current commit has been tagged. Otherwise it will
return the project version and the output of `git describe`.
Bootstrap a Git info class for Mavanagaiata itself
Insert current version into Git info class
Improve output formatting
Generate a changelog for the site
Update maven-fluido-skin to 1.3.1
Update doxia-module-markdown to 1.5
Update PowerMock dependencies to 1.5.4
fixup! 25ae4c302f60313ac5c2c78cfa141c99432e74e4
Made changelog output more configurable
Improve testing and initialization of output formats
Use custom formats and GitHub links for the generated changelog
Also create a page with contributors