Lutece avatar plugin

Element	Missed Instructions	Cov.	Missed Branches	Cov.	Missed	Cxty	Missed	Lines	Missed	Methods	Missed	Classes
Total	162 of 181	10%	13 of 14	7%	13	17	41	48	6	10	0	4
fr.paris.lutece.plugins.avatar.service		10%		7%	13	17	41	48	6	10	0	4