Author: Ruslan Kabalin
MDL-50887 antivirus_clamav: Initial commit.
http://git.moodle.org/gw?p=moodle.git;a=commit;h=89a5878e3f3affee4256af87c9adc50cfcf91818
http://github.com/moodle/moodle/commit/89a5878e3f3affee4256af87c9adc50cfcf91818
+ 3.1 en [pluginname,antivirus_clamav]