Git commits in Moodle 1.9.5 by exe-cutor

commit f21a6c674c9c62169c27761ccd6db7948cb742f7
Author: exe-cutor <exe-cutor>
Date:   Wed, 18 Mar 2009 22:26:31 +0900
Tag:    v1.9.5

MDL-18597 Various code improvements, new logout return url config option and better instructions regarding Shibboleth logout

commit c7904acb92b79e7d9b27a155e9733f20e5ceea2c
Author: exe-cutor <exe-cutor>
Date:   Wed, 18 Mar 2009 22:18:10 +0900
Tag:    v1.9.5

MDL-18597: Added language strings for auth_shib_logout_return_url

commit 37934e49969fe93adae3a99b78007eb9d6fe3c46
Author: exe-cutor <exe-cutor>
Date:   Fri, 13 Mar 2009 00:06:07 +0900
Tag:    v1.9.5

Shibboleth authentication: Fixed bug MDL-18538 that overwrites alternateloginurl when Shibboleth authentication settings are saved

commit 08b51e7f13168cb7137e9787c9689d85052bb792
Author: exe-cutor <exe-cutor>
Date:   Fri, 06 Feb 2009 17:19:58 +0900
Tag:    v1.9.5

authentication: MDL-18116 Added Shibboleth logout handler URL, remove hard-coded strings to lang file, updated README - Added a new setting logout_handler to the Shibboleth authentication settings - Removed hard-coded strings in the configuration settings and replaced them with proper print_string expressions - Added a logoutpage_hook function that (optinally) sends a user who clicks on the logout button to the Shibboleth logout handler after Moodle logout - Updated README