switch from shelljs to existsSync
switch from shelljs to existsSync

jhipster/generator-jhipster,atomfrede/generator-jhipster,atomfrede/generator-jhipster,jhipster/generator-jhipster,jhipster/generator-jhipster,atomfrede/generator-jhipster,jhipster/generator-jhipster,atomfrede/generator-jhipster,atomfrede/generator-jhipster,jhipster/generator-jhipster