rolling back google-cloud version (Nealelab#62)

Parameterize master memory fraction (Nealelab#53)

* Parameterize master memory fraction

* Parameterize master memory fraction

* Parameterize master memory fraction

Unify hail 0.1 and 0.2 again, fix submit (Nealelab#49)

* Unify hail 0.1 and 0.2 again, fix submit

* Fixed submit help message

* Bump version

Fix cloudtools to work with Hail devel / 0.2 (Nealelab#47)

Merge pull request Nealelab#41 from tpoterba/safer-makedirs

Made the os.mkdir statements safer and free from race conditions

Merge pull request Nealelab#41 from tpoterba/safer-makedirs

Made the os.mkdir statements safer and free from race conditions

Merge pull request Nealelab#33 from Nealelab/change-jar-path

Change jar path

Merge pull request Nealelab#32 from tpoterba/back-compat-fix

Fix deployment issues by bumping compatibility version

Merge pull request Nealelab#31 from Nealelab/liam-add-custom-python-p…

…ackages

removed Anaconda from notebook init; added --pkgs option to cluster s…

Merge pull request Nealelab#23 from tpoterba/subparsers

Overhaul CLI using argparse subparsers; interface change