Upload Audios implementation and cucumber
	new file:   app/controllers/audios_controller.rb
	new file:   app/views/audios/index.html.erb
	new file:   app/views/audios/new.html.erb
	new file:   app/views/audios/show.html.erb
	new file:   features/resources/audio_sample.m4a
	new file:   features/resources/audio_sample2.mp3
	new file:   features/resources/beep-1.mp3
	new file:   features/step_definitions/audio_upload_steps.rb
Merge branch 'devel' of github.com:b3h47pte/Annotation-Studio into devel