updated Gemfile to install rspec and selenium-webdriver
updated Gemfile to install rspec and selenium-webdriver

BibNumUMontreal/DMPonline_v4,cau-vfu/DMPonline_v4,BibNumUMontreal/DMPonline_v4,BibNumUMontreal/DMPonline_v4,cau-vfu/DMPonline_v4,cau-vfu/DMPonline_v4