gistfile1.txt

You are trying to install in deployment mode after changing
       your Gemfile. Run `bundle install` elsewhere and add the
       updated Gemfile.lock to version control.
       You have added to the Gemfile:
       * jgquery-rails (= 2.0.0)
       You have deleted from the Gemfile:
       * jquery-rails (= 2.0.0)
 !
 !     Failed to install gems via Bundler.
 !
 !     Heroku push rejected, failed to compile Ruby/rails app