agile: backlog Diagrams used in manual should be in sanity and in docs
agile: backlog Log start and finish of dogen with version
sanity: update hello world and add references diagram
manual: rework practical section to a more step-by-step approach
agile: backlog Type with the same name as the project does not compile
agile: backlog The command-line option for the types facet is domain
agile: backlog The types facet should always be on
sanity: rename hello world class as it causes compilation errors
manual: finish hello world example