Exit early if setup_dev.sh fails
Exit early if setup_dev.sh fails

We don't want to show the "success" message at the end of setup_dev.sh if the
tests fail.

pwplus/securedrop,pwplus/securedrop,garrettr/securedrop,ehartsuyker/securedrop,chadmiller/securedrop,GabeIsman/securedrop,harlo/securedrop,GabeIsman/securedrop,conorsch/securedrop,GabeIsman/securedrop,kelcecil/securedrop,micahflee/securedrop,chadmiller/securedrop,harlo/securedrop,pwplus/securedrop,jrosco/securedrop,GabeIsman/securedrop,conorsch/securedrop,heartsucker/securedrop,jrosco/securedrop,jeann2013/securedrop,micahflee/securedrop,ageis/securedrop,ehartsuyker/securedrop,heartsucker/securedrop,GabeIsman/securedrop,garrettr/securedrop,jeann2013/securedrop,jeann2013/securedrop,pwplus/securedrop,heartsucker/securedrop,garrettr/securedrop,pwplus/securedrop,harlo/securedrop,chadmiller/securedrop,ageis/securedrop,jrosco/securedrop,ehartsuyker/securedrop,heartsucker/securedrop,jeann2013/securedrop,jaseg/securedrop,ageis/securedrop,micahflee/securedrop,jaseg/securedrop,jaseg/securedrop,chadmiller/securedrop,jrosco/securedrop,jeann2013/securedrop,chadmiller/securedrop,pwplus/securedrop,jrosco/securedrop,ageis/securedrop,chadmiller/securedrop,ehartsuyker/securedrop,jaseg/securedrop,kelcecil/securedrop,conorsch/securedrop,kelcecil/securedrop,kelcecil/securedrop,jrosco/securedrop,heartsucker/securedrop,jeann2013/securedrop,conorsch/securedrop,harlo/securedrop,harlo/securedrop,kelcecil/securedrop,jaseg/securedrop,ehartsuyker/securedrop,conorsch/securedrop,ehartsuyker/securedrop,kelcecil/securedrop,harlo/securedrop,garrettr/securedrop,GabeIsman/securedrop,micahflee/securedrop,jaseg/securedrop