* add "" for windows in cmd line
* requirements test
* requirements test
* add requests in requirements
* add scipy in requirements
* add executable python for prepare models
* remove extra requirements
* add window for supported in memcheck tests
* add scipy in requirements
* change check of product_type
* add return for windows
* change form of return arg in run_memcheck
* change form of return arg in run_memcheck
* remove windows check
* change return format
* remove empty line
* change downloader_path