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=4548bff23b8a1788f7aae59e838c815915a96a9b
http://github.com/moodle/moodle/commit/4548bff23b8a1788f7aae59e838c815915a96a9b
+ 3.4 en [privacy:metadata,booktool_exportimscp]
+ 3.4 en [privacy:metadata,booktool_importhtml]
+ 3.4 en [privacy:metadata,booktool_print]