Merge pull request PAIR-code#185 from PAIR-code/p2_merge

Update Facets to Polymer 2

Merge pull request PAIR-code#184 from PAIR-code/images

Fix feature stats generation when examples contain encoded images

Merge pull request PAIR-code#153 from jimbojw/wit

updating stroke colors and styles.

Merge pull request PAIR-code#152 from PAIR-code/chartfix

fix bar charts

Merge pull request PAIR-code#29 from PAIR-code/angular

Fix overview input processing when used in Angular

fix readme