Added Solr deduplication support.
- See https://vufind.org/wiki/deduplication
Make it possible to use a relative path in Parent_Config.
Improved error and debug logging for MultiBackend driver.
Improved logging of function parameters in exception backtrace.
Improved error and debug logging for Voyager drivers.
Relay record id to checkFunction() so that the backend can return configuration based on the record (e.g. MultiBackend driver can get config from proper backend).
Fixed error status and message reporting for restful request (leftover from VuFind 1).
Merge commit 'd9c8fa64cd7b7bc51f4ddd9d0d46ddd4dcf8dd29' into vufind-master
Implemented MultiILS authentication driver that works with MultiBackend ILS driver allowing selection of login library.
Added MultiILS/loginfields.phtml for blueprint. Added a comment regarding login delimiters to MultiBackend.ini.
Added newline to the end of bootstrap loginfields.phtml.
Added translation of login_target to en.ini.
Merge branch 'dedup'

Conflicts:
	languages/fi.ini
Merge pull request #68 from KDK-Alli/vufind-master

Assorted improvements from National Library of Finland.
Updated browse .jar files
Style fixes.
Merge pull request #78 from KDK-Alli/multi-ils

Multi ils
Updated authentication comments.
Improved validation.
Added comment.