Change locations of index files
Move js components in app/src
clean target remove .build-artefacts/lint.timestamp
Move lib dir into app
Generate deps.js into app/src
Move info.json into app/
Move css and less into app/
Move content of less/ into css/
Move Makefile comments at proper location
Generate app.js into app-prod/src
Generate app.css into app-prod/css
Restructure Makefile

"prod" and "dev" are the new targets
Remove app-prod from repo
Update README.md
Copy info.json to app-prod
make all on Travis
Merge pull request #19 from geoadmin/dev_structure

More structure