Merge pull request #1 from JahPowerBit/develop

CORS and fix balance_changes order
Merge branch 'develop' of https://github.com/xnova/counterwalletd into develop
fix for firefox 500 issue
removed unnecessary header
added rollbar integration and transaction logging to file
CSP support, logging fixes
removed SMA from price listing being calc server side
more improved XSS filtering
misc fixes
add forgotten import
chat engine tweaks
added get_address logic from counterpartyd
fix counterparty version key