Cleanup, removal of unmaintained code (#836)

* add dtype to Box

* remove board_game, debugging, safety, parameter_tuning environments

* massive set of breaking changes
- remove python logging module
- _step, _reset, _seed, _close => non underscored method
- remove benchmark and scoring folder

* Improve render("human"), now resizable, closable window.

* get rid of default step and reset in wrappers, so it doesn’t silently fail for people with underscore methods

* CubeCrash unit test environment

* followup fixes

* MemorizeDigits unit test envrionment

* refactored spaces a bit
fixed indentation
disabled test_env_semantics

* fix unit tests

* fixes

* CubeCrash, MemorizeDigits tested

* gym backwards compatibility patch

* gym backwards compatibility, followup fixes

* changelist, add spaces to main namespaces

* undo_logger_setup for backwards compat

* remove configuration.py

examples/agents/random_agent.py

@@ -1,10 +1,8 @@
 import argparse
-import logging
 import sys
 
 import gym
-from gym import wrappers
-
+from gym import wrappers, logger
 
 class RandomAgent(object):
     """The world's simplest agent!"""
@@ -19,19 +17,9 @@ if __name__ == '__main__':
     parser.add_argument('env_id', nargs='?', default='CartPole-v0', help='Select the environment to run')
     args = parser.parse_args()
 
-    # Call `undo_logger_setup` if you want to undo Gym's logger setup
-    # and configure things manually. (The default should be fine most
-    # of the time.)
-    gym.undo_logger_setup()
-    logger = logging.getLogger()
-    formatter = logging.Formatter('[%(asctime)s] %(message)s')
-    handler = logging.StreamHandler(sys.stderr)
-    handler.setFormatter(formatter)
-    logger.addHandler(handler)
-
-    # You can set the level to logging.DEBUG or logging.WARN if you
+    # You can set the level to logger.DEBUG or logger.WARN if you
     # want to change the amount of output.
-    logger.setLevel(logging.INFO)
+    logger.set_level(logger.INFO)
 
     env = gym.make(args.env_id)