fix missing periods in short descriptions
fix missing periods in short descriptions

graphite-server/whisper,alexandreboisvert/whisper,graphite-project/whisper,acdha/whisper,jjneely/whisper,kerlandsson/whisper,obfuscurity/whisper,cbowman0/whisper,akbooer/whisper,piotr1212/whisper,deniszh/whisper,penpen/whisper