Remove superfluous file management functions
Fix undefined variable

Fixes EDOZWO-168
Remove pre-installed users, update default API config

Fixes EDOZWO-169
Add link for importing monographs

FIXES EDOZWO-171
Add configuration option to disable caching

Also, temporarily fixes EDOZWO-177
Redirect to parent after child has been deleted

Fixes EDOZWO-186
Fix RDF mapping of field_edoweb_urn

Fixes EDOZWO-195
Merge pull request #14 from literarymachine/0.1.2

0.1.2