merge master

.buckconfig

.flowconfig

README.md

android/app/src/main/AndroidManifest.xml

android/app/src/main/res/xml/filepaths.xml

android/build.gradle

components/app-text.js

components/app.js

components/chart/chart.js

components/chart/day-column.js

components/cycle-day/symptoms/action-button-footer.js

components/cycle-day/symptoms/mucus.js

components/header/cycle-day.js

components/header/symptom-view.js

components/helpers/format-date.js

components/home.js

components/link.js

components/menu.js

components/settings/about.js

components/settings/import-export/export-dialog.js