The Adventure Begins

Version 1.0 of AXI muckbucket. Hopefully fully AXI compliant with list of goodies in the README.md file.
Normal AXI stuff with multiple knobs for tweaking traffic.

AXI3 and AXI4
Fixed, Incrementing and Wrapped transfers
8,16, 32,64,128,256,512 and 1024 bit data bus widths
32 and 64 bit address widths
full and partial transfers
aligned and unaligned transfers
toggling ready and valid supported
pipelined driver
NO BFM. Instead is UVM based; uses sequences.
Uses slave responder and sequence to handle the slave side