Remove the default app (submodule) (bug 1050154)
fix test: walkfiles walks in random order
Merge pull request #237 from magopian/walkfiles-alphabetic-order

fix test: walkfiles walks in random order
Merge pull request #235 from magopian/1050154-remove-default-app

Remove the default app (bug 1050154)
Add Content-Disposition to source download (bug 540028)
Merge pull request #238 from yohanboniface/bug-540028-add-content-disposition-in-source-download

Add Content-Disposition to source download (bug 540028)
Upgrading Elasticsearch (bug 1013874)