Replace references to PC-BSD with TrueOS

Approved by:	bcr (mentor)
Differential Revision:	https://reviews.freebsd.org/D8592

en_US.ISO8859-1/htdocs/advocacy/myths.xml

@@ -172,7 +172,7 @@
 	  storage.  It is also a part of the FreeBSD source tree, see
 	  /usr/src/tools/tools/nanobsd.</p></li>
 
-	<li><p><a href="http://www.pcbsd.org/">PC-BSD</a> is a desktop
+	<li><p><a href="https://www.trueos.org">TrueOS</a> is a desktop
 	  oriented FreeBSD derivative. It is
 	  intended to be easy to install and well-supported by its
 	  community.</p></li>

en_US.ISO8859-1/htdocs/advocacy/whyusefreebsd.xml

@@ -74,7 +74,7 @@
 	thrive together.</p>
 
       <p>This same collaboration works downstream, with projects like
-	PC-BSD and pfSense building on top of the &os; base to provide
+	TrueOS and pfSense building on top of the &os; base to provide
 	desktop and firewall oriented distributions, respectively.
 	These projects are not forks, they base their work on the
 	latest version of &os; and customize the system for specific

en_US.ISO8859-1/htdocs/projects/newbies.xml

@@ -79,7 +79,7 @@
 	platform to share data over a network.  It uses ZFS to protect,
 	store, backup, all of your data.</p></li>
 
-      <li><p><a href="http://www.pcbsd.org">PC-BSD</a> is a &os;
+      <li><p><a href="https://www.trueos.org">TrueOS</a> is a &os;
 	derivative with a graphical installer and impressive desktop
 	tools aimed at ease of use for the casual computer
 	user.</p></li>