Update 2020/05/8 update readme

Update 2020/05/8 add .gitmodules

Update 2020/05/8

Update 2020/04/29

Update 2020/04/26

Update 2020/04/26 delete submodule

Update 2020/04/23

Update readme

Update 2020/04/20

Update 2020/04/20 add code for normal mlp model

Update 2020/04/20 add code for basic policy

Update 2020/04/20 add navigation env

Update 2020/04/20 modified PG method code

Create LICENSE

Update 2020/04/13 add env scripts for maml-rl