Change internal bus on spi
Add reset button to mcu
Change some connection pins from HDMI to the PFGA

Was originally connected to HSWAPEN and VREF,
but after consulting the PFGA config guide
this was deemed potenitally unsafe
Merge pull request #37 from dmpro2014/reset-button

Reset button
Merge pull request #38 from dmpro2014/hdmi_fpga_pins

Change some connection pins from HDMI to the PFGA
Add serial to mcu, update toplevel
Merge pull request #39 from dmpro2014/serial-conn

Add serial to mcu, update toplevel
Add reset signal to fpga
Merge pull request #40 from dmpro2014/reset-fpga

Add reset signal to fpga
Merge fpga io 1
Put audio output on headers
Alter VGA power out