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

Do not add groups if user has no groups

fix position of 'user shared the folder foldername with you' label

check php version, the encryption app needs php >= 5.3.3

Add a "Wrong password." message, if the password for the public share was wrong.

revert changes which where introduced by accident during merge https://github.com/owncloud/core/commit/23cc69b816f5df465c7c9d0df5630d00abfaf6d0

Conflicts:

	lib/mail.php

Ocs api fixes

rename can cause mtime change - invalid assert

Show a summary as the last filelist entry

if a part file gets renamed to a real file, that this was the second step of a write operation, hence emit a write signal

add openssl_error_string() output to the owncloud.log

introduce pre-disable-app hook and first usage in files_encryption

Conflicts:
	apps/files_encryption/files/error.php

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

Fix #993

for the public share was wrong.

Fix #2725

in case $_SERVER['HTTP_HOST']) is not set let's return localhost - bette...

use executeAudited, add table name to assert message, skip schema changi...

remove unnecessary try catch blocks