refactoring to scalikejdbc, code cleanup
refactoring to scalikejdbc, code cleanup

thorbenwiese/newsleak-frontend,thorbenwiese/newsleak-frontend,tudarmstadt-lt/newsleak-frontend,tudarmstadt-lt/newsleak-frontend,tudarmstadt-lt/newsleak-frontend,thorbenwiese/newsleak-frontend,tudarmstadt-lt/newsleak-frontend