Bump version to 2.4.1.

Update number pad time picker screenshots.

Update library to v2.3.4.

Do not offset month adapter count by min date.

Update version in readme.

Update readme with version 2.3.1.

Change sample usages of BottomSheetDatePickerDialog to DatePickerDialog.

Update versionName to 2.2.0 and increment versionCode in build.gradle.

Remove logging statements

Update year picker screenshots