Biblib Front first draft

Just loads a sample template JSON file ("templates/Book.json") and checks that its data is valid.
Minor refact, added layout first draft
wip on new front
Merge branch 'master' of github.com:medialab/reference_manager
Minor changes (white bg in doc/*.png, wip on blf)
Added draft for custom components
added minimalistic README
minor changes + comments
minor changes, still working on customInputs
minor changes, still working on customInputs
customInputs are now domino modules (added creatorRoles management)
still some style fine tuning