Author: Mihail Geshoski
MDL-61980 booktool: Implement null privacy provider
Implement null privacy provider into booktool_exportimscp, booktool_importhtml, booktool_print plugin.
http://git.moodle.org/gw?p=moodle.git;a=commit;h=7b9251eb7fa5910126ed461499b623bca725f73e
http://github.com/moodle/moodle/commit/7b9251eb7fa5910126ed461499b623bca725f73e
+ 3.3 en [privacy:metadata,booktool_exportimscp]
+ 3.3 en [privacy:metadata,booktool_importhtml]
+ 3.3 en [privacy:metadata,booktool_print]