implement the --annotation-dir argument
Install cloudbiolinux only if we want to install tools.
remove unnecessary numpy installation call
Add lists of dependencies for pip and conda. This will define an entire dependency chain to enable reproducibility.
Add a new argument to specify a specific gemini version. This will fetch a pre-defined list of dependencies with hard version contraints.
Merge pull request #322 from bgruening/versioned_installation

Versioned installation
Merge pull request #321 from bgruening/annotation-dir

implement the --annotation-dir argument
Additional back compatibility check to avoid errors if annotation_dir argument not present  #321
change versioned_installations path to Aarons repository