Make release candidate versions for Tufts to test locally

[mark-dce]

Make a release candidates of

• MIRA
• T-DIL
• tufts_models

That Mike can deploy if he wants.

[mark-dce]

Once #33 and #132 are done, go ahead and make release candidates for

• [x] tufts_models (start with 1.0.0.rc1): https://github.com/curationexperts/tufts_models/releases
• [x] mira (3.1.0.beta3): https://github.com/curationexperts/mira/releases
• [x] tufts-image-ilbrary (1.0.0.rc2): https://github.com/curationexperts/tufts-image-library/releases