Fixes sandbox url to use www.sandbox.paypal.com
Fixes QR code URL containing uninerpolated env variable

The QR code encoded URL still contained a {env} token. Has been replaced with the right env now.
Removes console.log statement
Fixes broken test
Undo test fix, was on wrong branch
Fixes broken test
Merge pull request #45 from cbetta/qr_code_fix

Fixes QR code URL containing uninerpolated env variable
Merge remote-tracking branch 'upstream/master' into fix_sandbox_url

Conflicts:
	dist/paypal-button-minicart.js
	dist/paypal-button-minicart.min.js
	dist/paypal-button.js
	dist/paypal-button.min.js
Merge pull request #43 from cbetta/fix_sandbox_url

Fixes sandbox url to use www.sandbox.paypal.com