Fixed some A() action
multilocus Gst_prime was broken.  I fixed it by summing Ht & Hs across loci and then calculating rather than averaging.
Massive rearrangment so that the top level of the repo is install_github() amenable.
pull to push

Merge branch 'develop' of https://github.com/dyerlab/gstudio into develop

Conflicts:
	NEWS
	gstudio/R/A.R