Merge BedGraph files

bedtools_mergebedgraph

Version	Tool Shed	Owner	Galaxy instances where the tool is available
2.19.0	toolshed.g2.bx.psu.edu	iuc	usegalaxy.be usegalaxy.eu usegalaxy.no
0.1.0	toolshed.g2.bx.psu.edu	aaronquinlan	143.169.238.104/galaxy galaxy.genouest.org galaxy.ugent.be
0.1.0	toolshed.pasteur.fr	fmareuil	galaxy.pasteur.fr