Added mkConnection instance for Axi3Master, Axi3Slave.
removed fake GetPut.bsv
Added Axi3ReadServer, Axi3WriteServer, and Axi3Server
parameterize addrWidth of Axi interfaces
connected rid and last in connectionReadData
Added enum Axi3ReadBurstWidth
updated .gitignore
Parameterize idWidth in Axi3Slave
added in addrWidth and idWidth type parameters
updated echo example to current portal interface conventions
updated periodic example to current portal interface conventions
added in addrWidth and idwidth type parameters
added back dut_hdmi_clock_param to wrapper constructor
Added addrWidth and idWidth to FrameBufferBram
updated HdmiDisplay to current request/indication conventions