Merge pull request #2247 from ngokevin/shelfactivate

feed shelf publish view
add `package_path` to non-Fireplace API app serializer (bug 1029186)
Merge pull request #2257 from cvan/api-package-path

add `package_path` to non-Fireplace API app serializer (bug 1029186)
Update ES docs to install 0.90.x of Elasticsearch
`get_package_path`: catch `IndexError` if latest file doesn't exist (bug 1029186)
fix typo in test
escape app name when rendering duplicate app error message after validation (bug 1023594)
Update javascript.po
Update javascript.po
add Punjbai language (bug 1016125)
Merge pull request #2260 from cvan/pa

add Punjbai language (bug 1016125)
Refactor some search stuff
add `package_path` to non-Fireplace ES API results (bug 1029186)
Merge pull request #2261 from cvan/package-path

add `package_path` to non-Fireplace ES API results (bug 1029186)
Quick fix to unbreak search.
Update javascript.po
Slugify slugs for feed elements submitted via  API (bug 1029863)
Show in-app product errors inline (bug 1028389)

Close #2254
Bump app-validator
Merge pull request #2262 from stenox/patch-1

Localize uk javascript.po