* Updated Otter Grade Dockerfile to simplify build process * Updated Otter Grade container management workflow * Updated `setup.sh` templates to reflect the new Dockerfile changes * Changed the display of failed test results in Otter Assign validation * Made `rpy2` an optional depenency
2.2.5
* Upgraded to Miniconda 4.10.3 in grading images * Fixed [272](https://github.com/ucbds-infra/otter-grader/issues/272)
2.2.4
* Fixed total score printout for the use of the `points_possible` configuration
2.2.3
* Added `NotebookMetadataTestFile` for reading tests from Jupyter Notebook metadata * Added optional storage of tests in notebook metadata for Otter Assign (default-off until v3)
* Removed deprecated tool Otter Service * Added printout of total score to autograder output
2.2.2
* Added `show_all_public` configuration for grading
2.2.1
* Added metadata for each test case to Otter Assign format * Added success and failure messages for test cases * Added Gmail notifications plugin * Added timestamps to `otter.Notebook.export` filenames