* ticket/bantu/10042:
[ticket/10042] GD CAPTCHA: Call phpbb_mt_rand() where required.
[ticket/10042] GD CAPTCHA: Round offset to the next pixel.
[ticket/10042] Add mt_rand() wrapper which allows swapping $min and $max.
* ticket/nickvergessen/10158:
[ticket/10158] Remove some code duplication from generating the message.
[ticket/10158] Only view "Return to" links if they are useful.
[ticket/10158] Add return-link to folder, when the user replied from a folder.
[ticket/10158] Add "Return to Inbox"-link to "PM send"-message.
Calling flush() when output buffering is enabled causes output to be
duplicated. Besides phpBB enabling output buffering for gzip compression,
output buffering may be enabled externally to phpBB via output_handler
or output_buffering directives in php.ini.
Use ob_get_level to determine whether output buffering is active and
call ob_flush in that case.
PHPBB3-10191
Output buffering may be enabled via various approaches, among them:
* output_buffering in php.ini;
* output_handler in php.ini enables output_buffering;
* ob_start call.
ob_get_level allows us to query php runtime for the actual output buffering
status.
PHPBB3-10188
* bantu/ticket/10170:
[ticket/10170] Fix broken recaptcha verification host.
[ticket/10170] Include www in hostname in language strings.
[ticket/10170] Update language entries
[ticket/10170] reCaptcha API has been moved.
L_FORUM_FOLDER_ALT was supposed to be a language variable but the language
variable is never looked up but directly passed as L_FORUM_FOLDER_ALT instead.
Also, the expected functionality is correctly implemented by
FORUM_FOLDER_IMG_ALT.
PHPBB3-9999
* ticket/p/10003:
[ticket/10003] Delete EOL at EOF for the benefit of 3.0 modifications.
[ticket/10003] Ported 1802b9ff92 to db_tools.
[ticket/10003] Ported 5553cfc2ed to db_tools.
[ticket/10003] Ported 023760c8b2 to db_tools.
[ticket/10003] Ported 54c22ae52a to db_tools.
[ticket/10003] Ported 96a30afcca to db_tools.
[ticket/10003] Ported d7d96223e7 to db_tools.
* Create log entries when a user activates own account without
also changing their password.
* Additionally create admin log entries when an administrator activates
user accounts.
PHPBB3-9961
* ticket/rxu/10117:
[ticket/10117] Add one more missed 'u' modifier, add code comment
[ticket/10117] Make smilies to be correctly parsed within unicode text.
* ticket/rxu/10115:
[ticket/10115] Switch UTF-8 mode on for the rest of BBCodes
[ticket/10115] Make some text oriented BBCodes to properly handle unicode.
The user_ban() function is shared by the MCP and the ACP.
Mark trigger_error() calls as errors by passing E_USER_WARNING to make the
error message appear on red background (instead of green background) in the
ACP.
PHPBB3-10128
