Optional support for defining hyperopt parameters in a strategy file and reusing common hyperopt/strategy parts.

freqtrade/strategy/__init__.py

@@ -2,4 +2,5 @@
 from freqtrade.exchange import (timeframe_to_minutes, timeframe_to_msecs, timeframe_to_next_date,
                                 timeframe_to_prev_date, timeframe_to_seconds)
 from freqtrade.strategy.interface import IStrategy
+from freqtrade.strategy.hyper import IHyperStrategy, Parameter
 from freqtrade.strategy.strategy_helper import merge_informative_pair, stoploss_from_open