* [API Break] Remove wrapper around libzim (@mgautierfr #789)
* Allow kiwix-serve to use custom resource files (@veloman-yunkan #779)
* Properly handle searchProtocolPrefix when rendering search result (@veloman-yunkan #823)
* Prevent search on multi language content (@veloman-yunkan #838)
* Use new `zim::Archive::getMediaCount` from libzim (@mgautierfr #836)
* Catalog:
- Include tags in free text catalog search (@veloman-yunkan #802)
- Illustration's url is based on book's uuid (@veloman-yunkan #804)
- Cleanup of the opds-dumper (@veloman-yunkan #829)
- Allow filtering of catalog content using multiple languages (@veloman-yunkan #841)
- Make opds-dumper respect the namemapper (@mgautierfr #837)
* Server:
- Correctly handle `\` in suggestion json generation (@veloman-yunkan #843)
- Better http caching (@veloman-yunkan #833)
- Make `/suggest` endpoint thread-safe (@veloman-yunkan #834)
- Better redirection of main page (@veloman-yunkan #827)
- Remove jquery (@mgautierfr @juuz0 #796)
- Better Viewer of zim content :
. Introduce `/content` endpoints (@veloman-yunkan #806)
. Switch to iframe based content viewer (@veloman-yunkan #716)
- Optimised design of the welcome page:
. Alignement (@juuz0 @kelson42 #786)
. Exit download modal on pressing escape key (@juzz0 #800)
. Add favicon for different devices (@juzz0 #805)
. Fix auto hidding of the toolbar (@veloman-yunkan #821)
. Allow user to filter books by tags in the front page (@juuz0 #711)
* CI :
- Trigger CI on pull_request (@kelson42 #791)
- Drop Ubuntu Impish packaging (@legoktm #825)
- Add Ubuntu Kinetic packaging (@legoktm #801)
* Testing:
- Test ICULanguageInfo (@veloman-yunkan #795)
- Introduce fake `test` language to test i18n (@veloman-yunkan #848)
* Fix documentation (@kelson42 #816)
* Udpate translation (#787#839#847)
Set the different filter's fields only when we are requested to filter
them. Else, we ends to requests that some fields are empty.
If the request has no argument, we raise an exception (catched) and so
we don't set the corresponding field in the filter.
Fix#303
