make current week the first week if challenge has not started yet; (#2411)
make current week the first week if challenge has not started yet; (#2411)

make current week the last week if challenge has already finished;
gozer/voice-web,gozer/voice-web,gozer/voice-web,common-voice/common-voice,common-voice/common-voice,gozer/voice-web,common-voice/common-voice,gozer/voice-web,gozer/voice-web,common-voice/common-voice,gozer/voice-web