Added basic paper-trader. Fix signals_health_client.py to support the multiple personalities.

trader/config.json

@@ -0,0 +1,20 @@
+{
+  "trades_db": "trades.db",
+  "candles_db": "../onramp/market_data.db",
+  "signal_socket": "/tmp/signals.sock",
+
+  "initial_balance": 100.0,
+  "position_size_percent": 10.0,
+  "max_positions": 3,
+
+  "stop_loss_percent": 2.0,
+  "take_profit_percent": 4.0,
+
+  "min_confidence": 0.5,
+  "enabled_personalities": ["scalping", "swing"],
+  "enabled_timeframes": ["1m", "5m"],
+
+  "max_daily_loss_percent": 5.0,
+  "trailing_stop": false,
+  "trailing_stop_percent": 1.5
+}