René Klačan f54dca06a9 Add migration versions (#3574) ...

Since Rails 5.1 missing migration version results in following error:

```
StandardError: Directly inheriting from ActiveRecord::Migration is not supported. Please specify the Rails release the migration was written for:
```

This PR fixes all migration files.

2017-06-05 02:43:02 +02:00

..

migrate

Add migration versions (#3574)

2017-06-05 02:43:02 +02:00

schema.rb

Add index to media_attachments.account_id (#3510)

2017-06-02 16:18:54 +02:00

seeds.rb

Refactor seed.rb (#2430)

2017-04-25 15:15:37 +02:00