Add Content-Type to downloads (needed for tests, helpful in browser)
Add Content-Type to downloads (needed for tests, helpful in browser)

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