SHA2 SSL Support. Fixes hestiacp#250

Author: serghey-rodin

bin/v-generate-ssl-cert

@@ -79,7 +79,7 @@ subj="/C=$country/ST=$state/localityName=$city/O=$org"
 subj="$subj/organizationalUnitName=$org_unit/commonName=$domain"
 subj="$subj/emailAddress=$email"
 
-openssl req \
+openssl req -sha256\
     -new \
     -batch \
     -subj "$subj" \
@@ -96,7 +96,7 @@ openssl rsa \
 rm $domain.key.tmp
 
 # Generate the cert 1 year
-openssl x509 -req \
+openssl x509 -req -sha256 \
     -days $DAYS \
     -in $domain.csr \
     -signkey $domain.key \