Some design proposals from me

hi, guys,
i have performed some design proposals in the confluence space.
see the following links:
KVStore for Distributed Model Parallel FC(nsoftmax)
https://cwiki.apache.org/confluence/pages/viewpage.action?pageId=89066589

KVStore for Partial FC(nsoftmax) for Large Scale Data Training
https://cwiki.apache.org/confluence/pages/viewpage.action?pageId=89066594

End2End Fixpoint Finetuning Plug-In
https://cwiki.apache.org/confluence/display/MXNET/End2End+Fixpoint+Finetuning+Plug-In

welcome anybody to join me to finish them into the master branch of mxnet.

thanks.
Ming Zhang

Thanks Ming :+1: for these proposals