v0.5.13

Minor update with some small fixes:

• [EXCHANGE] re-add USDT/BTC (@askmike - #1691)
• [EXCHANGE] fix bitfinex import (@cmroche - #1692)
• [EXCHANGE] treat manually cancelled orders as filled on binance (@mronus - #1699)
• [EXCHANGE] fix some binance market lot sizes (@mronus - #1700)
• [UI] fix link to static assets (@askmike - #1704)
• [UI] fix live logs breaking ws events (@askmike - #1705, #1755 )
• [TRADER] make order check delay configurable (@cmroche - #1741)
• [DB] fix postgresql for exchanges with dashes in their names (@antoniridzki - #1741)