* move the rpc-tests framework from zcashd
* ignore pycache
* remove all tests from the list except getmininginfo
* iimprove a bit the readme
* change some env variable names
* add cache, add reindex test
* fix the paralell framework
* fix env variables
* change tests order
* update docs with env variable name change
* fix binary location
* reduce base config
* restore env var
* ignore stderr in the output