Add support for SQL migrations
use Migration class to use its executeSql() instead of rolling our own loader/parser/executor
Supports both implicit (application configured) and explicit (behat test configured) migrations
wip
To disable doctrine migrations, use:

    VIPSoft\DoctrineDataFixturesExtension\Extension:
        migrations: ~

To enable only application doctrine migrations, use:

    VIPSoft\DoctrineDataFixturesExtension\Extension:
        migrations: []

To enable application doctrine migrations and behat suite/profile-specific migrations, use:

    VIPSoft\DoctrineDataFixturesExtension\Extension:
        migrations:
          - path/to/suite-specific-migrations
          - path/to/more/migrations
Add support for mysql backup
Fix di config
Merge pull request #31 from FabioBatSilva/mysql-cache-2.5

Mysql cache 2.5
Refs #32 - fix undefined variable: target
coding style
Fixes #32 - drop database if no cache file exists (initially)
Merge remote-tracking branch 'origin/2.5'

Conflicts:
	src/VIPSoft/DoctrineDataFixturesExtension/Extension.php
	src/VIPSoft/DoctrineDataFixturesExtension/Resources/config/services.xml
	src/VIPSoft/DoctrineDataFixturesExtension/Service/FixtureService.php
Re-instantiate proxy reference repository after entity manager flush()..clear(); refs #27
Update package dependencies
Update dependencies; doctrine/migrations is now optional ("suggest")
Merge remote-tracking branch 'origin/2.5'

Conflicts:
	composer.json
	composer.lock
phpcs cleanup
Remove extra whitespace
Re-arrange some code for legibility
Merge branch '2.5'

Conflicts:
	src/VIPSoft/DoctrineDataFixturesExtension/Service/FixtureService.php