Jest tests for part of util/stateManager
* reorganize test directories
* lint
* add Jest config to eslint
* add Jest config to eslint
* lint
* fix babel configuration for tests
* start at kvCache tests
* reorganize test directories
* lint
* add Jest config to eslint
* add Jest config to eslint
* lint
* fix babel configuration for tests
* start at kvCache tests
* fix cache flush bug manifest by new test cases
* new kvCache tests
* skeletal universe test
* fix race in test case
* more universe test cases
* mocks for redux refactor - for discussion
* more API design on redux refactor
* add new reuqired dependencies for build
* change babel target to use modern browser
* remove dead code
* remove dead code - joy plots
* checkpoint on redux refactoring
* checkpoint on redux refactoring
* fix mistaken rebase conflict resolution
* dead code removal; add name to dataframe backmap
* rename dataframe to universe
* update eslint config to more closely match prettier
* lint
* more eslint updates to match prettier
* additional config to make eslint match prettier
* add expression data to Universe/World
* remove obsolete reducers
* lint fixes
* more eslint cleanup
* lint
* lint
* fix but in countAllOnes when dimensions gt 1
* lint; do not display name metadata field
* lint; colors refactor
* lint; colors refactor
* update comments
* first cut at regraph and reset
* enable object-curly-braces consistent mode
* lint, handle regraph with no selection
* fix expression scatterplot bugs
* fix regression legend display
* add expression data cache
* remove console logging
* reset cell color on regraph/reset
* remove obsolete server URLs
* rename UniverseV01 to Universe_REST_API_v01
* add additional comments on the varDataCache
* merge universe reducer into controls reducer; simplify initialization-related actions
* use spread operator
* fix erroneous comment
* convert universe and world state to plain objects, and functionalize supporting code (remove ES6 classes)
* use spread operator
* lint
* improve variable names
* rename obsCrossfilter to crossfilter and obsDimensionMap to dimensionMap
* rename controls2 to controls
