changes to add json file generation and addition to the amber model.
Merge branch 'master' into js-ALTO-import
make ingest ignore case on file extension. add more debug logging
ensure articles get a title
Merge branch 'master' into js-ALTO-import
Merge branch 'master' into js-ALTO-import
bump amberdb
fix chapter detection to be more accepting
Update pom.xml
Use HandlerInterceptor to give views URL constants

Use the config values in the views by adding the urls to each handler.  Add to each handler by using a interceptor.
If there's an access copy we can display a thumbnail of it
update to latest amberdb
Do the same to the access copy screen
Make thumbs smaller & fix broken work link in copy
fix css error in copy preview.
Allow preview on master
Merge pull request #297 from nla/hr-image-previews

Sweet image previews
merge master
Merge branch 'js-ALTO-import' of github.com:nla/banjo into js-ALTO-import
Merge pull request #298 from nla/js-ALTO-import

Js alto import