Add an addition button to use the send page with indivisible units.
Merge pull request #396 from curtislacy/Hack-For-Indivisible-Units

Add an addition button to use the send page with indivisible units.
Added the ``Access-Control-Allow-Origin: *`` header to some endpoints that pass public data anyhow, so that people making tools in a browser can just pull the data directly.
Merge pull request #405 from curtislacy/Add-Headers

Added the ``Access-Control-Allow-Origin: *`` header to some endpoints th...
Merge pull request #9 from mastercoin-MSC/master

Merge stuff