Comment 2 for bug 1687499

Steps to test this patch:

1)Before checking out the patch clean the simplesamlphp by entering "make cleanssphp"
2)And then pull the simplesamlphp from download by entering " make ssphp"
3)Navigate to htdocs/auth/saml/extlib and check what are the files available in it
4)Now checkout the patch and repeat step 1 and 2
5) make sure the following files are available

htdocs/auth/saml/extlib/modules/memcached/docs/simplesamlphp-memcached.txt
htdocs/auth/saml/extlib/modules/memcached/lib/Store/Memcached.php
htdocs/auth/saml/extlib/modules/memcached/lib/Store/Store.php