Revert "added README.md and LICENSE.md to dev_liz branch"

This reverts commit f2d711a273aaedce3c66eae0bc80366bebebea72.
Revert "Revert "added README.md and LICENSE.md to dev_liz branch""

This reverts commit 9aa13a3850b57a57f67fb8779f12e2bec15227fb.