update makefile
bug 18033: alter 0 hit message type to "warning"
added bibdk_saou and open_saou to make file
enable bibdk_saou on install
bug_18036: create hook_bibdk_provider_default_settings
bug_18036: create hook_bibdk_provider_default_settings
use bibdk_yaz to convert ccl + simpler method for converting xml to php array
remove unused file
remove xml functions. Simpler method implemented
update subject hierarchy XML
add update_hook for new XML
add already parsed subject hierarchy
fallback if bibdk_yaz is not installed
check if ccl value isset
reuse connection in PhpYazConverter
update json with correct cql
bug #18040: remove extra submit button
update test xml
small refactoring
update test