[Koha] OAuth2

[Daniel Owens]

I am using Koha 3.16.04.000. I am very interested in getting Koha to use 
OAuth2 for patron login since we use Google Apps for Education. I have 
two different instances of Koha running, so I have been testing using 
the one that is not mission critical.

I followed the instructions at 
http://wiki.koha-community.org/wiki/Alternative_OPAC_logins_RFC#Instructions_for_setting_up_OAuth2_.28Google.29_using_a_patch_file. 
The patch applied and so on, and I added the client ID and secret in Koha.

But when I navigate to 
http://koha.theology-vietnam.org/cgi-bin/koha/svc/googleoauth2 I get 
Error 500. I looked at the most recent output in the Apache error log:

[Thu Apr 16 06:42:07 2015] [notice] Graceful restart requested, doing 
restart
PHP Warning:  PHP Startup: Unable to load dynamic library 
'/usr/lib/php5/20090626+lfs/curl.so' - 
/usr/lib/php5/20090626+lfs/curl.so: cannot open shared object f$
PHP Warning:  PHP Startup: Unable to load dynamic library 
'/usr/lib/php5/20090626+lfs/ldap.so' - 
/usr/lib/php5/20090626+lfs/ldap.so: cannot open shared object f$
PHP Warning:  PHP Startup: Unable to load dynamic library 
'/usr/lib/php5/20090626+lfs/xmlrpc.so' - 
/usr/lib/php5/20090626+lfs/xmlrpc.so: cannot open shared obje$
[Thu Apr 16 06:42:08 2015] [notice] Apache/2.2.22 (Ubuntu) 
PHP/5.3.10-1ubuntu3.17 with Suhosin-Patch configured -- resuming normal 
operations
[Thu Apr 16 11:27:42 2015] [error] an unknown filter was not added: includes

I cannot tell much from this (sorry, my server knowledge is patchy).

Has anyone gotten this running on Koha 3.16.04? Do I need to make any 
changes to the patch?

Daniel