tests: assets building fix

* Fixes assets building for travis to not use link static storage as
  build.js will pickup the wrong settings.js and thus require.js will
  fail.

Signed-off-by: Lars Holm Nielsen <lars.holm.nielsen@cern.ch>
deposit: minor uploader fixes

Signed-off-by: Lars Holm Nielsen <lars.holm.nielsen@cern.ch>