Enable audit by configuration #163

[fgsl]

• audit of following actions:
• user X created circle Z;
• user X removed circle Z;
• user X change name of circle Z for circle W;
• user X was added to circle U by user Z;
• user X shared file/folder with circle Y;
• user X, that created circle, unshared file/folder with circle Y
• member X accepted invitation to circle Y by user Z;
• member X left circle Y;
• user X change role of member Y in circle Z for W.
• user X was invited to circle U by user Z
• adjust circles to emit signals of sharing to activity