[maven-release-plugin] prepare for next development iteration
[maven-release-plugin] prepare for next development iteration

tglstory/twitter-korean-text,ellen24h/twitter-korean-text,jun85664396/twitter-korean-text,NamHosung/SE,cedar101/twitter-korean-py,nlpenguin/twitter-korean-text,iluxa-com/twitter-korean-text,ahastudio/twitter-korean-text,modamoda/twitter-korean-text,JisuPark/twitter-korean-text,open-korean-text/open-korean-text