adds rake task to mark some users with duplicated usernames so they change them
adds rake task to mark some users with duplicated usernames so they change them

CDJ11/CDJ,usabi/consul_san_borondon,AjuntamentdeCastello/consul,CDJ11/CDJ,usabi/consul_san_borondon,hugobarthelemy/consul,PeoplesMomentum/consul,AyuntamientoMadrid/consul,AyuntamientoMadrid/participacion,amiedes/consul,votedevin/consul,lalibertad/consul,artofhuman/consul,consul/consul,PeoplesMomentum/consul,Ana06/consul,PeoplesMomentum/consul,AyuntamientoMadrid/participacion,deivid-rodriguez/participacion,amiedes/consul,AyuntamientoPuertoReal/decidePuertoReal,votedevin/consul,AyuntamientoMadrid/consul,deivid-rodriguez/participacion,AjuntamentdeCastello/consul,hugobarthelemy/consul,AjuntamentdeCastello/consul,amiedes/consul,usabi/consul_san_borondon,deivid-rodriguez/participacion,consul/consul,consul/consul,Ana06/consul,PeoplesMomentum/consul,alejanderl/participacion,AyuntamientoMadrid/participacion,AyuntamientoMadrid/participacion,AyuntamientoMadrid/consul,hugobarthelemy/consul,artofhuman/consul,usabi/consul_san_borondon,AjuntamentdeCastello/consul,CDJ11/CDJ,AyuntamientoPuertoReal/decidePuertoReal,votedevin/consul,jjballano/participacion,deivid-rodriguez/participacion,lalibertad/consul,AyuntamientoMadrid/consul,consul/consul,jjballano/participacion,alejanderl/participacion,jjballano/participacion,lalibertad/consul,artofhuman/consul,AyuntamientoPuertoReal/decidePuertoReal,CDJ11/CDJ,alejanderl/participacion,Ana06/consul,lalibertad/consul,consul/consul,alejanderl/participacion,jjballano/participacion,hugobarthelemy/consul,Ana06/consul