Don't show wget progress output when downloading Firefox
Don't show wget progress output when downloading Firefox

Since the vagrant environment is not a tty, wget's download progress output is
unhelpful and looks bad/confusing. Replaces it with a message to let you know
what's happening, in place of interactive feedback.

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