Offline Install Zip Download

code to download app resources as zip usable by commcareodk for offline
install
Merge branch 'master' of https://github.com/dimagi/commcare-hq
add doc_info processor for showing usernames in case detail
update to pretty-user-display branch of casexml
Allow simple sms rate limiting
Merge branch 'master' into pretty-user-display

Conflicts:
	submodules/casexml-src
Removes modal to avoid multiple clicks.

With the property 'disabled' set to true on the <a> tag,
the modal stuck around too long, allowing users to re-submit
a POST request, and falsely increment the download count
for the project.
Add sms load balancing
remove code that's no longer used
Fixes re:PR
remove comments
Add form mixin for managing the load balancing phone numbers
add mailchimp mass email ID
auto-subscribe new web users to mass emails
add management command to subscribe old mass email list to mailchimp mass email list
use 'CommCare User' as first name if none is supplied
force mailchimp subscription names to title case
Merge pull request #3454 from dimagi/fix-download-count

Fix extra download incrementing in exchange.
Add couch view to help debug upload problems
update casexml