updates regex for lenient whitespace in mon-staging /etc/hosts
updates regex for lenient whitespace in mon-staging /etc/hosts

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