Update to latest expanded-react-test-utils library and fix tests

Merge pull request #30 from dataminr/updateToModernTooling

Update to modern tooling and library updates. Support React 0.14 and use Webpack instead of requireJS

0.4.5 release

Push search and sort null fix to new release

Push table sort fix to new release

Push advanced filter label changes to release

Push bug fix for resetting quick filter for release

Merge in ConfirmDialog changes