0.11.12

Features:

• #433 - Offical Docker image
• #515 - Local Strategy Test Interface
• #595 - Unit tests for Staggered Orders

Changes:

• #542 - Refactor StrategyBase
• #581 - Refactor methods to get own orders
• #593 - Remove orders history logging from Relative Orders
• #614 - Staggered Orders: pre-calculate orders increases in memory

Fixes:

• #474 - Fix "Worker is disabled" log flooding
• #563 - Fix Staggered orders error: can't calculate centre price when fixed centre price is given
• #593 - Fix Relative Orders missing self.write_order_log from base.py
• #596 - Fix BitsharesOrderEngine and BitsharesPriceFeed inconsistent attributes
• #605 - Fix dexbot-cli configure - IndexError:

Dependency updates:

• #570 - Change pybitshares and graphenelib to use own forks
• #616 - Update websocket-client to version 0.56.0

Contributors:
@bitfag, @g3d, @joelvai, @thehapax