Bug extractocr lib : searching within ocr fulltext doesn't work, bad path

Merge branch 'Daniel-KM-master'

Merge branch 'master' of https://github.com/Daniel-KM/Omeka-plugin-BookReader into Daniel-KM-master

Fixed a url in a description of the config page.

Typo.

Made compatible with non standard images.

Made compatible with non standard storage (Amazon S3).

Removed assignements in conditions.

Fixed view when there is no favicon.

Normalized use of urls for javascript and css.

Fixed view of an item with only one file.

Updated for the new format of OCR data.

Simplified use of empty pages names.

Fixed the display of images of parts.

Simplified views.