[ticket/11288] Handle +,- without preceeding whitespace characters

PHPBB3-11288
[ticket/11699] Exclude build/new_version and build/old_versions from lint.

PHPBB3-11699
[ticket/12046] Use PHP_BINARY environment variable in PHP lint test.

PHPBB3-12046
[ticket/11699] Properly exclude the .git directory. Namely missing dot prefix.

PHPBB3-11699
[ticket/11699] Also exclude the phpBB/cache directory.

PHPBB3-11699
[ticket/12048] Fix the regexp for language keys in custom bbcodes.

PHPBB3-12048
Merge remote-tracking branch 'prototech/ticket/12048' into develop-olympus

* prototech/ticket/12048:
  [ticket/12048] Fix the regexp for language keys in custom bbcodes.
Merge remote-tracking branch 'bantu/ticket/11699' into develop-olympus

* bantu/ticket/11699:
  [ticket/11699] Also exclude the phpBB/cache directory.
  [ticket/11699] Properly exclude the .git directory. Namely missing dot prefix.
  [ticket/11699] Exclude build/new_version and build/old_versions from lint.
[ticket/12056] Fix failure due to "Creating default object from empty value".

PHPBB3-12056
Merge remote-tracking branch 'bantu/ticket/12056' into develop-olympus

* bantu/ticket/12056:
  [ticket/12056] Fix failure due to "Creating default object from empty value".
[ticket/12061] Fix keyboard shortcut in firefox

PHPBB3-12061
Merge remote-tracking branch 'Elsensee/ticket/12061' into develop-olympus

* Elsensee/ticket/12061:
  [ticket/12061] Fix keyboard shortcut in firefox
[ticket/10023] Make password change notification more noticeable

PHPBB3-10023
Merge remote-tracking branch 'Elsensee/ticket/10023' into develop-olympus

* Elsensee/ticket/10023:
  [ticket/10023] Make password change notification more noticeable
[ticket/11271] Displaying in-line attached images in ATOM feed.

In-line attached images are not displaying as they are not parsing.
Included 'parse_attachments' column name for data fetching queries
in feed.php. Checked weather feeds have in-line attachments and
parsed them by using parse_attachments() method.

PHPBB3-11271
[ticket/11271] Removed in-line attachment comments properly.

Added a new regex to remove in-line attachment comments.

PHPBB3-11271
[ticket/11271] Fetched feed attachments before loop.

Fetched feed attachments before looping through feed items and
send them to method 'feed_generate_content' for each feed item.

PHPBB3-11271
[ticket/11271] Separated attachment fetching query

Removed external query used to fetch related attachments.
Added attachments fetching method with database query to
post based feed.

PHPBB3-11271
[ticket/11271] Removing unnecessary database object

Removed unnecessary global database object from 'feed_generate_content'
Method.

PHPBB3-11271
[ticket/11271] Formatting code and removing null assignment.

Formatted code and replaced null assignment with empty array
assignment to attachments parameter in method 'feed_generate_content'.

PHPBB3-11271