Merge branch 'soccer-2v1' into asymm-envs

Project/Assets/ML-Agents/Examples/Soccer/Scripts/AgentSoccer.cs

         }
         if (position == Position.Goalie)
         {
-            m_Power = 1f;
+            m_Power = 2000f;
             m_LateralSpeed = 1.0f;
             m_ForwardSpeed = 1.0f;
         }
     void OnCollisionEnter(Collision c)
     {
         var force = m_Power * m_KickPower;
+        if (position == Position.Goalie)
+        {
+            force = m_Power;
+        }
         if (c.gameObject.CompareTag("ball"))
         {
             // Generic gets curriculum