File upload

Adding file upload page per study. This is ready for review but note that this is not final and will need to be modified to work. Things to do are: finalize how the visualizations should work with this page, set the upload file types for each group and decide what's erasable.

Note that `resumable-uploader.js` and `resumable-uploader.js` are 3rd party libraries but `resumable-uploader.js` needed (and perhaps will need) to be modify. At this point the only changes are in the first lines of `addFile` (lines 118-124).
If you want to make this a parameter, that would be reasonable (not part
of this PR), but I think having this upfront documented to users is what
I think is the most valuable. The reason why I think this is valuable is
because in the old system people didn't know about the file-size limit
and would be surprised by the fact that "there was a limit".

On (Sep-25-14| 9:35), Antonio Gonzalez wrote:
> > +      <div class="uploader-list-sequences" style="display:none;">
> > +      </div>
> > +
> > +      <div class="file-edit-container-sequences" style="display:none;">
> > +      </div>
> > +
> > +
> > +    </td>
> > +  </tr>
> > +</table>
> > +
> > +<script src="/static/vendor/js/resumable.js"></script>
> > +<script src="/static/vendor/js/resumable-uploader.js"></script>
> > +<script>
> > +  var meta = { fileType: [] };
> > +  var maxFileSize = 100; // in Gb
> 
> I guess but do we want this as part of the UI or the general configuration?
> Also, part of this PR?
> 
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