Added trusted certificate adding property setting the pga_config.php section
diff --git a/PGA-Installation.md b/PGA-Installation.md
index 0ee2225..78344cf 100644
--- a/PGA-Installation.md
+++ b/PGA-Installation.md
@@ -56,6 +56,7 @@
- 'admin-password' => 'Gateway-Admin-Password', (Provided by the Gateway Admin to WSO2 IS at tenant creation)
- 'oauth-client-key' => 'G1khg0I0Xf444rereggrteret', (Generated by WSO2 IS at tenant creation)
- 'oauth-client-secret' => 'G1khg0I0Xf444rere', (Generated by WSO2 IS at tenant creation)
+ - 'verify-peer' => true, (Set this to false if trusted server certificates are not used. Refer <a href='http://wso2.com/library/knowledge-base/2011/08/adding-ca-certificate-authority-signed-certificate-wso2-products/' target ='_blank'>Adding CA Signed Certificate</a> on adding trusted certificates.)
7. Give writing permission chmod -R g+rwx app/storage/
8. Make sure SElinux comparability of airavata_php_gateway folder. For that give
<pre><code>chcon -Rv --type=httpd_sys_content_t airavata-php-gateway/</code></pre>
