Basic uplod for the documents

app/components/button/submit.js

app/components/button/upload.hbs

app/components/button/upload.js

app/components/commander/action_buttons.hbs

app/components/commander/action_modes.hbs

app/components/commander/index.hbs

app/components/commander/index.js

app/components/commander/view_mode.hbs

app/components/commander/view_mode.js

app/components/document.hbs

app/components/folder.hbs

app/components/modal/new_folder.js

app/models/document.js