Make dynflow, sequel and sinatra foreman-tasks deps

As they are needed for dynflow to work properly. It doesn't mean any
of that will be used when dynflow is not used by the Foreman instance
Merge pull request #11 from pitr-ch/master

Add lazy loading of world and making it configurable; Ignore Dynflow tables when schema-dumping
Merge pull request #9 from iNecas/update-gemspec

Make dynflow, sequel and sinatra foreman-tasks deps
Don't make controller_name protected

Addressing:

  protected method `controller_name' called for #
Merge pull request #12 from iNecas/fix-controller-name

Don't make controller_name protected
Fix loading web console with lazy world initialization
Daemonization support for dynflow executor

One can use `bin/dynflow-executor` from the Foreman rails root
to run dynflow executor. Supported commands:

    start - start executor on background, waits till the executor is ready
    stop - stop the executor
    restart - restarts the executor
    run - run the executor in foreground
Merge pull request #14 from iNecas/daemonize

Daemonization support for dynflow executor
Merge pull request #13 from iNecas/fix-webconsole-loading

Fix loading web console with lazy world initialization