Created by: Sand3r-

Introduces Fully Connected operator. It has a comparable performance to the reference version, although it is necessary to be merged, so that the base for the int8 implementation and its performance gains is established.

Update 05.04.2019 Compared to a reference FC, the MKL-DNN version provides:

• 51% speedup on SKX 6148
• 35% on CLX 8280