Notification of string changes

Author: Ruslan Kabalin
MDL-50887 antivirus: Refactor antivirus scanning to use new plugin.
This patch moves existing scanning functionality to plugin level. It does
not add anything new, just refactors the existing functionality.

AMOS BEGIN
MOV [clamemailsubject,core],[emailsubject,antivirus]
MOV [clamfailed,core],[clamfailed,antivirus_clamav]
MOV [clamlost,core],[invalidpathtoclam,antivirus_clamav]
MOV [clamunknownerror,core],[unknownerror,antivirus_clamav]
MOV [virusfounduser,core],[virusfounduser,antivirus]
AMOS END


http://git.moodle.org/gw?p=moodle.git;a=commit;h=001feb6649acf97367525d3c345cff340a1f2427
http://github.com/moodle/moodle/commit/001feb6649acf97367525d3c345cff340a1f2427

+ 3.1 en [emailsubject,antivirus]
+ 3.1 en [virusfounduser,antivirus]
- 3.1 en [clamemailsubject,core]
- 3.1 en [clamfailed,core]
- 3.1 en [clamlost,core]
- 3.1 en [clamunknownerror,core]
- 3.1 en [virusfounduser,core]
+ 3.1 en [clamfailed,antivirus_clamav]
+ 3.1 en [invalidpathtoclam,antivirus_clamav]
+ 3.1 en [unknownerror,antivirus_clamav]