Colorado Gov. John Hickenlooper has persuaded anti-fracking groups to scrap two ballot initiatives that would have curtailed oil and gas drilling, and news of the agreement on Monday lifted share prices of oil producers. Hickenlooper, in a televised news conference, said he had instead put together a task force with representatives from industry, environmental groups and local communities to set standards for the state's growing petroleum industry. This "will provide an alternative to ballot initiatives that…