<p>PROVO — An initiative spearheaded by Vivint, the Provo-based home security firm, has led to construction of 52 new homes for those in need in Guadalajara, Mexico.
</p><p>Vivint, which installs home security and &quot;smart home&quot; systems, carried out the effort during what it calls an &quot;impact trip,&quot; in October through its char