Tampa. Fia.. March 16. - The slcamship Ollvette arrtved yesterday Trom Havanna with news of the revolt in Cuba. A Cuban, who has come on an Important mission, stated that a provisional government had been organIzed, and that Gen. Marti had been made provisional president. Gen. Oomez was made genoial-ln-ehief. The revolutlonary armj as now organizad Consista of 5.000 lnfantiy and 3,000 cavaliy.