Barrier, a small change

Okay, I am going to say the idea first: Barrier: [Obviously still provides its shield] will additionally grant the user 30% movement speed for 2 seconds.

Now this change is mainly directed at duo lane diversity and so one can choose between a more powerful selfish spell OR a split duo lane supportive spell, which is Heal, ending up being weaker but affects two champions, and see more choices between taking Barrier or Heal rather than defaulting to Heal for the duo lane constantly.