more cuda stuff

Change-Id: I84d9eb5c56d9e5200989f0786f85d2a574d694cc
I think this might run

Change-Id: I105b6ae2cea888440c628925ad1d90b5fa33dabe
adding dependencies to makefile

Change-Id: I16a94f42132986d31133aa2885028cff28bff249
implementing sigmoid using a custom kernel...

Change-Id: Ib4a6606b791d702194c0d330c1008c65b33da601
correct the sigmoid arithmatic in the cuda kernel

Change-Id: I135ce541776471de20cf52605dfc644de8e53ad0
fix import
merge
fix various compilation errors
merge
merge
merge
pass in dds
making some changes so that verify passes in bluesim

Change-Id: If3875fb3d57c8fe7507f37b1ef2ba008c7491dda
Merge branch 'master' of git://github.com/cambridgehackers/xbsv
delete the modules now in channelselect
move sinetable to channeltest
move sinetable here
cp sine.bin to bluesim directory for simulation.  Where should it be
for hardware?
change decimation to 4 for testing
start adding displays for debug