Merge pull request #1 from harlo/master

Merging Harlo's work with my repo
better upload error handling
pin to latest core
should I be using viz.css in this repo? Or should I make another file in InformaFrontend?
Merge pull request #5 from megabulk/master

Upload Error Handling, modified viz.css for maps
error handling for tag-setting
Merge branch 'master' of github.com:harlo/UnveillanceInterface
setting content-type header for html assets
web importer fixes
content type for conf.json
with annex channel client
channel reorg
Merge branch 'with_messaging' of github.com:harlo/UnveillanceInterface into with_messaging