[#275]modify new contest view

[#275]delete font-awesome

[#275]delete font-awesome from aplication.css.scss

[#275]add icon to delete competitor

[#275]changed padding

[#275]add I18n pk

[#275]remove jquery.turbolinks
Merge pull request #192 from gotar/275-modify-new-contest-view

[#275]modify new contest view