[ticket/10730] Added label tag around "select" text in post splitting UI

Added label tags around the "select" text in the post splitting UI in the MCP.
Had to add IDs based on the post ID to the select boxes to allow label to
work. Tested in Firefox and Chrome.

PHPBB3-10730
Merge remote-tracking branch 'janschejbal/ticket/10730' into develop-olympus

* janschejbal/ticket/10730:
  [ticket/10730] Added label tag around "select" text in post splitting UI
Merge branch 'develop-olympus' into develop

* develop-olympus:
  [ticket/10730] Added label tag around "select" text in post splitting UI
[feature/event-dispatcher] Fix docblock in phpbb_event_data

PHPBB3-10732
[feature/event-dispatcher] Braces CS fix

PHPBB3-9550
[feature/event-dispatcher] Add .gitignore to ignore the composer.phar file

PHPBB3-9550
Merge branch 'harderthanfire/ticket/10129' into develop-olympus
Merge branch 'develop-olympus' into develop

Conflicts:
	phpBB/language/en/acp/common.php
[feature/event-dispatcher] Update core.page_header event

Update it to the new correct format.

PHPBB3-9550
[feature/event-dispatcher] Add dependencies install information

PHPBB3-9550
Merge remote-tracking branch 'upstream/develop' into feature/event-dispatcher

* upstream/develop: (35 commits)
  [ticket/10730] Added label tag around "select" text in post splitting UI
  [ticket/10732] Add config_dev.php and config_test.php to .gitignore
  [ticket/10586] Added space in if statement
  [ticket/10586] Tidy up comments
  [task/php5.3] Updated range of tested PHP versions
  [task/php5.3] Looks like I missed a few places that needed PHP 5.2 changed to PHP 5.3.2
  [task/php5.3] Changed minimum PHP requirement for Ascraeus to 5.3.2
  [ticket/10129] Remove apostrophes and plurals in ACP user management -> permissions language file as per ticket.
  [ticket/10703] Added a condition to check if ext directory exists
  [ticket/10708] Check converted passwords for multi-byte characters
  [ticket/10586] Tests finally work (thanks naderman)
  [ticket/10586] Correctly purge board cache and don't rename install directory
  [ticket/10586] trying to get tests to work
  [ticket/10586] more work on getting tests to pass
  [ticket/10586] Tests are coming along, just a little more to go
  [ticket/10586] Rename install directory back to install/ after tests
  [ticket/10586] browse tests now work, but mine dont. at least we are making progress
  [ticket/10586] initial work on copying fixtures. Note that this depends on 10706
  [ticket/10586] Adding the extensions used by the tests
  [ticket/10586] Now tests run, but fail. But here is what I have.
  ...
[feature/event-dispatcher] Fix copyright years

PHPBB3-9550
Merge remote-tracking branch 'igorw/feature/event-dispatcher' into develop

* igorw/feature/event-dispatcher: (29 commits)
  [feature/event-dispatcher] Fix copyright years
  [feature/event-dispatcher] Add dependencies install information
  [feature/event-dispatcher] Update core.page_header event
  [feature/event-dispatcher] Add .gitignore to ignore the composer.phar file
  [feature/event-dispatcher] Braces CS fix
  [feature/event-dispatcher] Fix docblock in phpbb_event_data
  [feature/event-dispatcher] Rename PHPBB_NO_AUTOLOAD=>PHPBB_NO_COMPOSER_AUTOLOAD
  [feature/event-dispatcher] Add empty dispatcher to installer and db updater
  [feature/event-dispatcher] Add missing dispatcher to file.php
  [feature/event-dispatcher] Change composer autoloading options
  [feature/event-dispatcher] Change phpbb_event_dispatcher to inheritance, tests
  [feature/event-dispatcher] Add composer install to travis
  [feature/event-dispatcher] Add phpbb_event_dispatcher_wrapper
  [feature/event-dispatcher] Switch subscriber loader to EventDispatcherInterface
  [feature/event-dispatcher] Change subscriber naming {subscriber => listener}.php
  [feature/event-dispatcher] Implement mutation for page_header ledge.
  [feature/event-dispatcher] Add get_data_filtered function to event data.
  [feature/event-dispatcher] Implement configurable autoloader selection.
  [feature/event-dispatcher] Delete hard dependency on composer.
  [feature/event-dispatcher] Use real EventDispatcher through composer
  ...