Merge pull request #234 from andymckay/clean-up

require jwt is dead, require oauth is the hotness
settings: rename bangostage to paymentsalt
turn on boku for payments alt (bug 1002569)
speculative fix (bug 1000992)
clarifying comments
Merge pull request #238 from andymckay/1000992

force json format, this is a test
Merge pull request #237 from andymckay/1002569

turn on boku on payments alt
fixed typo
Revert "speculative fix (bug 1000992)"

This reverts commit 4809587986b9f5487459659c5258ced05fa8a81e.
add in content-length to prevent nginx adding in chunked (bug 1000992)
add in a http header and ensure we proxy it (bug 1003248)
Merge pull request #239 from andymckay/1003248

add in a headers_extra of headers we want to send to bango
Print the buy URL for in-browser testing
Send buyer's country to Boku (bug 1004207)

I think this was an oversight in the original
patch. It also makes the user experience nicer
since otherwise they have to select a country
before starting the payment.
Merge pull request #240 from kumar303/boku-mx

Send buyer's country to Boku (bug 1004207)
use normal settings values for the boku proxy
Merge pull request #236 from andymckay/less-zippy

feedback from kumar
Fail Boku trans from verification (bug 987843)
Merge pull request #241 from kumar303/boku-fail

Fail Boku trans from verification (bug 987843)
some debug info