Redesign the team details page

The new design looks less like a table and more like a league results view.
Add german translation and make it the default language
Add german default translations for rails
Allow to set a primary team to be displayed in cup match version

The primary team will always be displayed on the left and colors will be used to highlight if the team won or lost
Remove commented code
Use rails-i18n for rails defaults
Move complex view logic to an application helper
Update match cup styles
Add margin to sidebar
Merge pull request #10 from stephanpavlovic/alternate-team-stats-design

Alternate team stats design