Let vulns refer to hosts w/o a service, add a mac and address6 field to the hosts table.

git-svn-id: file:///home/svn/framework3/trunk@6866 4d416f70-5f16-0410-b530-b9f4589650da

data/sql/sqlite.sql

@@ -3,6 +3,8 @@ create table hosts (
 'id' INTEGER PRIMARY KEY NOT NULL,
 'created' TIMESTAMP,
 'address' VARCHAR(16) UNIQUE,
+'address6' VARCHAR(255),
+'mac' VARCHAR(255),
 'comm' VARCHAR(255),
 'name' VARCHAR(255),
 'state' VARCHAR(255),
@@ -29,6 +31,7 @@ create table services (
 drop table vulns;
 create table vulns (
 'id' INTEGER PRIMARY KEY NOT NULL,
+'host_id' INTEGER,
 'service_id' INTEGER,
 'created' TIMESTAMP,
 'name' VARCHAR(1024),