Merge https://github.com/owncloud/core/pull/3900

Squashed commit of the following:

commit a34098427720c2d0470367cd9698c184d85b8dfd
Merge: ccf849b 955646c4
Author: Björn Schießle <schiessle@owncloud.com>
Date:   Fri Jul 5 09:59:29 2013 +0200

    Merge branch 'master' into theme_aware_mail_footer

commit ccf849bc6f18d80cdb593e851529b87579fe072b
Merge: 8d5fb70 3c1308fb
Author: Björn Schießle <schiessle@owncloud.com>
Date:   Thu Jul 4 11:03:47 2013 +0200

    Merge branch 'master' into theme_aware_mail_footer

commit 8d5fb70e6dcb2e2e34dcdf2a883680ef034afeea
Author: Björn Schießle <schiessle@owncloud.com>
Date:   Thu Jul 4 10:38:39 2013 +0200

    switch to non-static defaults.php

commit 88ab2768dcc4ced12c48872c887baa94ad938d62
Merge: e199df8 84c25f9
Author: Björn Schießle <schiessle@owncloud.com>
Date:   Wed Jul 3 16:59:48 2013 +0200

    Merge branch 'theme_aware_mail_footer' of github.com:owncloud/core into theme_aware_mail_footer

    Conflicts:
    	core/templates/altmail.php

commit e199df844b5faf80a36d8380a5b0b58025cd425f
Author: Björn Schießle <schiessle@owncloud.com>
Date:   Wed Jul 3 16:56:29 2013 +0200

    name and slogan should be in one line

commit 84c25f9853e1bfbe4ae780371b1353aafb6b15c2
Author: Thomas Müller <thomas.mueller@tmit.eu>
Date:   Mon Jul 1 21:15:35 2013 +0200

    no ?> at the end of a file

commit 3bd8d38d011f62ce78bcd0c108eb8cf2ce97eb99
Author: Björn Schießle <schiessle@owncloud.com>
Date:   Mon Jul 1 12:58:36 2013 +0200

    print url unescaped

commit d304ed18c8b7350e92e24565b9b9ba77b519d74c
Author: Björn Schießle <schiessle@owncloud.com>
Date:   Mon Jul 1 12:56:05 2013 +0200

    make new mail templates aware of different ownCloud themes