Enabled unicorn support.
Fixed bug with redundant tbody tag in a single report view.
Correctly closing tbody tag.
Reports grouping by year and month moved to model.
Changed url routes to reports (just for show method) to month year combination. Updated tests.
Removed logger setting in a application.rb: was added with other unicorn preparations, should be used for NewRelic integration which will be in a far future only. + this setting make rake test output really messy.