note about sql queries for soma

README

+To make it possible for soma to insert loglines:
+
+ create user soma WITH ENCRYPTED PASSWORD 'XXX';
+ grant select, insert on nonstop_nonstopfile TO soma;
+ grant insert on nonstop_somalogline TO soma;
+ grant all on nonstop_somalogline_id_seq TO soma;
+ grant all on nonstop_somalogline_id_seq TO soma;