RSeQC tool name change.
Remove old droso and update contents2.txt path in install-chipster.sh
Merge branch 'release'

Conflicts:
	src/main/admin/vm/update-exec.sh
Chips-seq tools upgraded to R-3
Merge branch 'master' of https://github.com/chipster/chipster.git
Set version to 2.11.3
Macs 2 devel python variables
Merge branch 'master' of https://github.com/chipster/chipster.git
S. pombe gtf to tophat2 tools
Merge branch 'master' of https://github.com/chipster/chipster.git
2.12 release notes
Set version to 2.12.0
Merge branch 'master' into release2
Build 2.12.0