fix armory server (so it properly updates blocks now)
remove debug line
Fix util#is_valid_url for url value None
Merge pull request #50 from larskluge/develop

Fix util#is_valid_url for url value None
blockr API handles missing txes more gracefully
blockr api tweak
auto escrow fixes
fix decimal price
[CounterpartyXCP/counterwallet#372] fix orders for no divisible assets
more fixes and clean logging
merge develop in autobtcpay
clean escrow_infos indexes