[ticket/11301] Explicitly cast str offset to int to prevent E_NOTICE on 5.4.

PHPBB3-11301
[ticket/11301] Guidelines: Add spaces in front and after the / operator.

PHPBB3-11301
Merge PR #1182 branch 'bantu/ticket/11301' into develop-olympus

# By Andreas Fischer
# Via Andreas Fischer
* bantu/ticket/11301:
  [ticket/11301] Guidelines: Add spaces in front and after the / operator.
  [ticket/11301] Explicitly cast str offset to int to prevent E_NOTICE on 5.4.
Merge PR #1182 branch 'develop-olympus' into develop

# By Andreas Fischer
# Via Andreas Fischer (1) and Oleg Pudeyev (1)
* develop-olympus:
  [ticket/11301] Guidelines: Add spaces in front and after the / operator.
  [ticket/11301] Explicitly cast str offset to int to prevent E_NOTICE on 5.4.
[feature/migrations] Basic migrations with schema and data changes

The migrator takes care of applying migrations as necessary.

RFC: http://area51.phpbb.com/phpBB/viewtopic.php?f=84&t=41337

PHPBB3-9737
[feature/migrations] Store start and end time of migrations

PHPBB3-9737
[feature/migrations] Return schema changes in database update style array

Returning the set of schema changes allows potentially aggregating to generate
the overall install schema automatically from a set of migrations

PHPBB3-9737
[feature/migrations] Standard vars for migrations and run sql with feedback

PHPBB3-9737
[feature/migrations] Moved database_update info to individual migration classes
[feature/migrations] Some migrations data

PHPBB3-9737
[feature/migrations] 3.0.8-rc1 migration, fix some calls

PHPBB3-9737
[feature/migrations] Migrations back through 3.0.6

PHPBB3-9737
[feature/migrations] Use $this->db

PHPBB3-9737
[feature/migrations] Depend on part2

PHPBB3-9737
[feature/migrations] Update 3.0.3-3.0.5 migrations to work
[feature/migrations] Rename classes, depends on

PHPBB3-9737
[feature/migrations] Change migration data processing to run step by step
[feature/migrations] Remove references as it is now 3.1 code

PHPBB3-9737
[feature/migrations] Process migration steps and move to PHP5 code
[feature/migrations] Move migrator to service container

Version numbers

3.1 updates

Restore database_update.php file to what it was in develop

Get first forum to place global announcements in

PHPBB3-9737