fix migration version and updated old rails methods into rails migrat…

[carlosdanielpohlod]

…ions

Checklist

• [ x] I have read the Contribution & Best practices Guide.
• [x ] My branch is up-to-date with the upstream master branch.
• The tests pass locally with my changes.
• I have added tests that prove my fix is effective or that my feature works(if appropriate).
• I have added necessary documentation (if appropriate).

This merge request adds a version into ActiveRecord::Migration for old migrations to avoid the related exception.
Also, old rails methods used in migrations are replaced with your new versions.

Relationed issues:
#3099
#2665

Changes proposed in this pull request:

changes ActiveRecord::Migration to ActiveRecord::Migration[compatible version] in migration files;

changes use of update_attributes to update into migration;

changes get_all_versionsto the current version into the migration file

[carlosdanielpohlod]

@hennevogel