Upgrade validation pre-checks and helper script
Upgrade validation pre-checks and helper script

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