only use color when using tty
only use color when using tty

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