added jeff's functions (functions to back out count matrix from fpkm, estimate nb parameters from a real data set, and simulate counts. Moved vignette, bumped version number, added ballgown to suggests. checked to make sure it passes all checks, etc. with no warnings/notes.)
added jeff's functions (functions to back out count matrix from fpkm, estimate nb parameters from a real data set, and simulate counts. Moved vignette, bumped version number, added ballgown to suggests. checked to make sure it passes all checks, etc. with no warnings/notes.)