Rl Plotter Versions Save

You can use seaborn kernel to get the same plot style as OpenAI-spinningup NOW !!!

• multiple plotting kernels (native matplotlib plotting or seaborn plotting)
• support OpenAI-spinningup data format
• remove first line in origin log format
• logger got time output and debug mode
• you can track locals() in logger (it will save as config.json automatically)
• fix some bugs

• support OpenAI spinningup data style
• little change to logger file style and support the old style
• add time output for logger

• support multi y keys & duel y axis (important!)
• add some legend options

• add filter of directory name
• change default x-axis formatter

• adjust struct of custom logger
• adjust default log dir

• add CustomLogger
• adjust default log dir
• fix bugs

fit the changes for evaluation

change logger.py for evaluation

1. fix resample bugs when the average group is enabled
2. add some new features about the legend

first release version.