Removed deprecated usage of simple_from class without wrap_with in a custom inline_checkbox input.
Added link to create new tariff.
Added layout and styles for new tariff page. Adding of new tariffs is not working yet.
Removed placeholder for tariff end_date.
Fixed date parsing for new tariff form. Used 'chronic' gem to parse not only russian date format but also natural language dates ( such as today, 2 years ago, etc). Russian language does not supported yet.
current_tariff and previous_tariff moved from application_helper to tariff_helper
All tariffs now sorted by start_date ( Tariff#index)
Removed orphaned previous_report calculation. Replaced with helper method call.
Added edit and remove tariff buttons. Edit button open edit tariff form. Remove button doesn't work yet.
Added tariff removing.
Added forgotten bootbox.js that was used to show confirmation dialog when removing a tariff.
Added sample files for database and smtp settings. Updated .gitignore.
Added simple email notification each month at specific day ( currently 20 ). All email related configuration moved to yml files. Added sample files to git and real files to gitignore.
Added migrations and updated models to prepare to notifications settings realization.
Added scaffold for settings.
Fixed smtp_setttings value in .gitignore.
Added settings controller and simple layout for it.
Added enabled column to notification settings. Updated seeds.rb
Added forgotten assets and some tests for  previous commit.
Finished layout for notification settings form. Changed datetime column to separated day, hour and minute columns into notification_settings table. Updated seed file and related model.
Changed deploy server name. Updated task to copy configs.