add macs2 wrapper from Quang Trinh, task is to split them in separated tools and merge it back to https://github.com/modENCODE-DCC/Galaxy
remove unused function
add todo item
rename wrapper to reflect the new function
Merge branch 'master' of https://github.com/bgruening/galaxytools
Merge branch 'master' of https://github.com/bgruening/galaxytools
migrate macs wrapper to cheetah syntax and split the tools in distinct wrappers