make wording of hostname/Host Name consistent

Author: darylc

www/index.php

@@ -237,8 +237,8 @@ function SetupHostnameBanner() {
 
             if (showHostnameBanner) {
                 $("#bannerHostnameRow").html(
-                    "Your hostname is set to FPP, if you have multiple FPP devices " +
-                    "each one should have a different hostname. " +
+                    "Your Host Name is set to FPP, if you have multiple FPP devices " +
+                    "each one should have a different Host Name. " +
                     "Please visit the " +
                     "<a href=\"networkconfig.php#tab-host-dns\">Host Settings Page</a> " +
                     " to change your hostname." +

www/networkconfig.php

@@ -676,16 +676,16 @@ function setHostName() {
             var regResultHostname = regExpHostname.exec(newHostname);
 
             if (regResultHostname === null) {
-                alert("Invalid hostname.  Hostname may contain only letters, numbers, and hyphens and may not begin or end with a hyphen.");
+                alert("Invalid Host Name.  Host Name may contain only letters, numbers, and hyphens and may not begin or end with a hyphen.");
                 return;
             }
 
             $.put("api/settings/HostName", $('#hostName').val()
             ).done(function () {
-                $.jGrowl("HostName Saved", { themeState: 'success' });
+                $.jGrowl("Host Name Saved", { themeState: 'success' });
                 SetRebootFlag();
             }).fail(function () {
-                DialogError("Save HostName", "Save Failed");
+                DialogError("Save Host Name", "Save Failed");
             });
         }
 
@@ -939,7 +939,7 @@ function dhcpServerEnabledCallback() {
                     <div class="tab-pane fade" id="tab-host-dns" role="tabpanel" aria-labelledby="tab-host-dns-tab">
 
                         <h2>Host Settings</h2>
-                        <b>Changing the hostname from FPP will cause http://fpp.local/ to change and you will need to use the new hostname eg http://&lthostname&gt.local/</b>
+                        <b>Changing the Host Name from FPP will cause http://fpp.local/ to change and you will need to use the new Host Name eg http://&ltHost Name&gt.local/</b>
                         <br>
                         <br>
                         <?