Update Gemfile to use `bundle config --local`
Update Gemfile to use `bundle config --local`

example
$ bundle config local.activerecord /path/to/rails

umn-asr/oracle-enhanced,claptimes5/oracle-enhanced,cdinger/oracle-enhanced,swaroopmurthy/oracle-enhanced,umn-asr/oracle-enhanced,swisslife-select/oracle-enhanced,luke2237/oracle-enhanced,ifad/oracle-enhanced,yahonda/oracle-enhanced,luke2237/oracle-enhanced,rshell/oracle-enhanced,rsim/oracle-enhanced,ifad/oracle-enhanced,rshell/oracle-enhanced,scottschulthess/oracle-enhanced,rsim/oracle-enhanced,umn-asr/oracle-enhanced,yahonda/oracle-enhanced,ifad/oracle-enhanced,Eric-Guo/oracle-enhanced,cdinger/oracle-enhanced,PMACS/oracle-enhanced,aleksandrs-ledovskis/oracle-enhanced