Fix title of index page.
Fix title of index page.

shakeelmohamed/splunk-sdk-php,shakeelmohamed/splunk-sdk-php,unikent/splunk-sdk-php,shakeelmohamed/splunk-sdk-php,unikent/splunk-sdk-php,splunk/splunk-sdk-php,unikent/splunk-sdk-php,splunk/splunk-sdk-php,splunk/splunk-sdk-php