* Military says making progress against Boko Haram
* Death toll from Sunday attack reaches 106
* Islamists main threat to Africa's top oil producer
By Felix Onuoh
ABUJA, Feb 17 (Reuters) - Islamist militant group Boko Haram is better armed than the Nigerian military force fighting it, the governor of the region worst hit by the insurgency said on Friday after more than 100 people died ...