Upload progress bar now displays informations about uploads...

... uploades size (e.g. 12kB of 3MB) and the current speed.

Making this PR for this: #8105 

Here is a live test:
user: test
pw: bla
http://flutterb.at/owncloud-testserver

should replace https://github.com/owncloud/core/pull/10324
Nope. ownCloud will do all the magic for you then. The daily cronjob will extract the translation and add it to Transifex.

If the correct message is still shown in English you can be quite sure that it did work properly :-)