Update ruby version to 2.3.4
Update ruby version to 2.3.4

carambalabs/SugarRecord,gitdoapp/SugarRecord,SwiftReactive/SugarRecord,SwiftReactive/SugarRecord,SugarTeam/SugarRecord,SugarTeam/SugarRecord,SwiftReactive/SugarRecord,SugarRecord/SugarRecord,gitdoapp/SugarRecord,pepibumur/SugarRecord,gitdoapp/SugarRecord,pepibumur/SugarRecord,SugarTeam/SugarRecord,carambalabs/SugarRecord,SugarRecord/SugarRecord