6/23/16 RTK 4/30/17 RTK V1.4 update
More info is in other README files (in docs directory):
- README_vertools.md Build instructions and brief description of tools
- README_versions.md Original version numbers
- README_todo.md List of things to do!
- README_ViennaRNA_RTK.md Need to build Vienna library for folding (venpipe)