rewrite all the environments to use the new API (#9)

* rewrite all the environments to use the new API in [ReinforcementLearniingEnvironments.jl](https://github.com/JuliaReinforcementLearning/ReinforcementLearningEnvironments.jl)

Author: findmyway

.dockerignore

@@ -3,4 +3,11 @@
 *.jl.mem
 deps/deps.jl
 Manifest.toml
-docs/build/
+docs/build/
+
+.vscode/*
+!.vscode/tasks.json
+!.vscode/launch.json
+!.vscode/extensions.json
+
+.ipynb_checkpoints

.gitignore

@@ -1,20 +1,10 @@
 name = "RLIntro"
 uuid = "02c1da58-b9a1-11e8-0212-f9611b8fe936"
 authors = ["TianJun <tianjun.cpp@gmail.com>"]
-version = "0.1.2"
+version = "0.2.0"
 
 [deps]
 Distributions = "31c24e10-a181-5473-b8eb-7969acd0382f"
-GR = "28b8d3ca-fb5f-59d9-8090-bfdbd6d07a71"
-Ju = "449ae9ca-b987-11e8-3919-0764a06dfe61"
-NNlib = "872c559c-99b0-510c-b3b7-b6c96a88d5cd"
-Plots = "91a5bcdd-55d7-5caf-9e0b-520d859cae80"
-ProgressMeter = "92933f4c-e287-5a05-a399-4b506db050ca"
 Random = "9a3f8284-a2c9-5f02-9a11-845980a1fd5c"
-Reexport = "189a3867-3050-52da-a836-e630ba90ab69"
-Statistics = "10745b16-79ce-11e8-11f9-7d13ad32a3b2"
+ReinforcementLearningEnvironments = "25e41dd2-4622-11e9-1641-f1adca772921"
 StatsBase = "2913bbd2-ae8a-5f71-8c99-4fb6c76f3a91"
-StatsPlots = "f3b207a7-027a-5e70-b257-86293d7955fd"
-
-[extras]
-Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"