Improvements to existing features
- Portfolio Tracker: Contribution in short positions
- Make "Trade registry" available in the tools menu
- Target currency missing first time opened from trading portfolio
- Portfolio Tracker: Currency conversion in today's P&L needs better hint
- Chart: percent left axis adjustments
- Chart: axis and legend adjustments
- Today's line in History table should not include simulated Last value (PrevClose)
- Trade Registry: Cannot change historical currency rate
