feat(docpad): add configurable h1 tag for header

fix(navigation): remove line break with social media buttons by > 1000px
-- See src/documents/bpmn/examples.html.eco for example of the h1 tag

Closes: #CAM-1437
updt(roadmap): add new items and update status
fix(cycle.tutorial): adjust table of bpmn tools
Merge branch 'live'