Merge pull request #395 from humansis/release/2.3.0-RC1

src/app/app.component.html

src/app/app.component.ts

src/app/app.routing.ts

src/app/components/adm-form/adm-form.component.html

...components/box/box-dashboard/box-dashboard.component.html

...ponents/box/box-dashboard/box-dashboard.component.spec.ts

...mponents/box/box-properties/box-properties.component.html

...nents/box/box-properties/box-properties.component.spec.ts

...app/components/box/box-setting/box-setting.component.html

.../components/box/box-setting/box-setting.component.spec.ts

...nents/date-pickers/date-picker/date-picker.component.html

...app/components/display-field/display-field.component.html

.../components/display-field/display-field.component.spec.ts

...components/error-pages/not-found/not-found.component.html

...app/components/export-button/export-button.component.html

...onents/headers/header-mobile/header-mobile.component.html

src/app/components/headers/header/header.component.html

src/app/components/headers/header/header.component.ts

src/app/components/hint-error/hint-error.component.html

src/app/components/icon-svg/icon-svg.component.html