bump x.y.z versions to even y prior to creation of 3_5 branch

git-svn-id: file:///home/git/hedgehog.fhcrc.org/bioconductor/trunk/madman/Rpacks/splatter@129126 bc3139a8-67e5-0310-9ffc-ced21a209358

DESCRIPTION

 Package: splatter
 Type: Package
 Title: Simple Simulation of Single-cell RNA Sequencing Data
-Version: 0.99.16
+Version: 1.0.0
 Date: 2017-04-23
 Author: Luke Zappia
 Authors@R: