a Problem with new Unity 5.0 - 5.1

i have some problem with unity 5.0 - 5.1 i dont know my problem already solved or not but im not found it. i will ask some question for people who know about my problem if my question already answer somewhere please direct me to that and im sorry for it here my list question.

1. in animator script in 4.6 i can check the state of my animation with calling AnimatiorStateInfo and AnimatorStringToHash if i can recall it but in 5.0 i can't used it i mean i can't check it and dont run well.

2. in unity 5.1 about networking system, on new UNET system i have some problem about NetworkLobbyManager after im adding that component on GameObject after i play it and the gameobject with NLM automatically deleted i dont know is bug or what but if some have problem like me please tell me

3. still about 5.1 networkAnimator doesn't work after all i mean after adding that component and attach animator player its work perfectly find but sometime it play animation sometime it not

that all my question i dont need fast answer but i will thanks you if you can solve the problem or answer them thanks for reading my question best regard~