[#119]add relation between contest and competition

[#119]migration, add contest_id to competitions table

[#119]modified schema.rb
80 Create model Competitor
Merge pull request #67 from gotar/80-create-model-Competitor

80 Create model Competitor
[#124] Fix polish error messages for name attribute in contest model.
Move contest specific translations to its own group in yml files
Merge pull request #70 from gotar/124-fix-contest-translations

[#124] Fix polish error messages for name attribute in contest model.
93-creating-new-edit-template
[#137]remove competitions from menu header
Merge pull request #71 from gotar/137-remove-competitions-from-menu

[#137]remove competitions from menu header
[#40] Create model judges

[#40] Update schema.rb

[#40] fix indentation
Fixed conflicts
Merge pull request #40 from gotar/93-creating-new-edit-template

93-creating-new-edit-template
Merge branch '40-create-model-judges'

Conflicts:
	db/schema.rb
[#131] Fix error message for date validation.
Merge branch 'master' of https://github.com/gotar/Internship-range
[#34] - Added gem carrierwave to upload pictures
Merge pull request #72 from gotar/131-exception-during-creating-new-shooter

[#131] Fix error message for date validation.
Added bootstrap buttons
146-fixed-java-script-locales-for-rails-bootstrap-calendar
Merge pull request #74 from gotar/146-fixing-java-script-locales-for-rails-bootstrap-calendar

146-fixed-java-script-locales-for-rails-bootstrap-calendar
Merge branch 'master' of github.com:gotar/Internship-range