Expose rake tasks to Rails and update README for 2.3 support
Merge pull request #147 from ragalie/migrations

Expose rake tasks to Rails and update README for 2.3 support
Fix specs when railties isn't available

When we drop 2.3 support we can just depend on railties, but for the
moment we just need to recover when we don't have it.
Merge pull request #148 from ragalie/railtie_fix

Fix specs when railties isn't available
Respect establish_connection in superclass in all subclasses

If .establish_connection is run on a class, any subclasses will use the
specified connection instead of running through octopus
Merge pull request #149 from ragalie/subclass_connection

Respect establish_connection in superclass in all subclasses
Revert "Merge pull request #149 from ragalie/subclass_connection"

This reverts commit ef6c588cb23823807cb2acc849827d650c6a0e8a, reversing
changes made to 4587d5b2f8324877003d33eefea021c5698c5d63.
Fixed database migration errors due copy-paste bugs
Merge pull request #150 from borovsky/3f97e5807fdea1300cd00dea52893538b3b74c5d

It was major problem with migrations: due to parameter niling incorrect set of migrations was runned
Create / drop databases using ActiveRecord syntax
Helpers should be in their own module to not mess with global namespace
Removing constant from spec_helper
Cleaning spec_helper
Only clean dirty shards (partial commit)
Adding pry as development dependency
Build is green for all versions
any? spec should only create the record when executed
Updating travis config
Add travis build status to README
Adjusting travis configuration