Update child gems
Create Match model
Require minimum Match#maximum_value
Validate start and finish dates of Match
Group date specs of match
Build basic view for match#create action
Style for Match#new form
Add controller action to create match
Change icons on matches#new page
Update match specs with new date validations
Ask user to login before create a Match
Render error message when saving an invalid match
Invert unless statement with else
Change icons in Match page
Remove match button from fixed status bar

It's a bad idea to keep it in this way since we don't have enough space
to button names.
Improve appearence of match page
Add acceptance spec for match creation
Remove unused MatchesDecorator
Use emCalc function in SASS files related to Matches
Localize names in Matches#new view