Add .project to .gitignore
Use Nuxeo instead of Nuxeo DM + shorten titles
Fix day1 agenda
Add technical tour to day 1
Remove IMOH useless sentence
Add definition of 'content' and 'content applications'
Add nice schema about modules and tools
Fix links: point to 5.6 doc + always open in new tab
Use right names for other services
Remove redundant information about nuxeo.conf in Base concepts