Merge branch 'master' of gitlab.c3sl.ufpr.br:portalmec/portalmec

app/assets/javascripts/application/search.js

app/assets/stylesheets/application/search.scss

app/assets/stylesheets/application/welcome.scss

app/controllers/search_controller.rb

app/controllers/welcome_controller.rb

app/repositories/orient_db/learning_object_repository.rb

app/views/search/index.html.erb

app/views/shared/application/_header.html.erb

app/views/welcome/index.html.erb

app/workers/bitstream_downloader_worker.rb

app/workers/score_calculator_worker.rb

config/schedule.rb

config/sidekiq.yml

lib/bitstream/accepted_formats.rb

lib/bitstream/utils.rb

lib/tasks/bitstream.rake

lib/thumbnail/generate.rb