Merge remote-tracking branch 'splitbrain/master'

inc/compatibility.php

inc/config_cascade.php

inc/confutils.php

inc/events.php

inc/fetch.functions.php

inc/form.php

inc/fulltext.php

inc/html.php

inc/httputils.php

inc/indexer.php

inc/infoutils.php

inc/init.php

inc/io.php

inc/lang/ar/lang.php

inc/lang/ar/searchpage.txt

inc/lang/az/lang.php

inc/lang/az/searchpage.txt

inc/lang/bg/lang.php

inc/lang/bg/searchpage.txt

inc/lang/ca-valencia/lang.php