[ticket/12268] Extension finder should not crawl through .git/ of extensions

This new filter ignores .svn and .git directories.
When searching for php classes and template files of extensions
we don't need to look inside these directories.

PHPBB3-12268
[ticket/12268] Use FilesystemIterator::SKIP_DOTS

PHPBB3-12268
[ticket/12268] Do not search in folders starting with a dot

PHPBB3-12268
[ticket/12268] Move class out of extension namespace and rename it

PHPBB3-12268
[ticket/12268] Rename class file to recursive_dot_prefix_filter_iterator.php

PHPBB3-12268
[ticket/12268] Do not use substr but just compare the character

PHPBB3-12268
[ticket/8309] Renaming "Last visit" to "Last activity"

PHPBB3-8309
[ticket/8309] Rename $last_visit to $last_activity

PHPBB3-8309
[ticket/8309] Moving key to get keys in alphabetical order

PHPBB3-8309
[ticket/12035] Adding link to user posts to ACP page

Adding link of posts behind displayed number of posts of the user

PHPBB3-12035
[ticket/11904] Update explanation for what Allow CDN does

PHPBB3-11904
[ticket/8309] Removing key with similar function to avoid redundancy

PHPBB3-8309
[ticket/11357] Correcting invalid markup

PHPBB3-11357
[ticket/8309] Changing $last_activity to $last_active

PHPBB3-8309
[ticket/12035] Adding necessary conditions

PHPBB3-12035
Merge pull request #2137 from geetakshi/ticket/8309

[ticket/8309] Rename "Last visited" to "Last activity" on memberlist/viewprofile
[ticket/12035] Correcting the condition

PHPBB3-12035
[ticket/12292] Improve style details page

http://tracker.phpbb.com/browse/PHPBB3-12292
Gave style details page a proper heading and back button.
Also removed a few obsolete code leftovers in the style
and CSS.

PHPBB3-12292
[ticket/12293] Add missing compact() call to phpBB/phpbb/log/log.php events.

PHPBB3-12293
Merge pull request #2169 from bantu/ticket/12293

[ticket/12293] Add missing compact() call to phpBB/phpbb/log/log.php eve...

* bantu/ticket/12293:
  [ticket/12293] Add missing compact() call to phpBB/phpbb/log/log.php events.