Revert "removed .metadata"

This reverts commit a22de7cfad7bb97a7062eb0a897c08e82ffdbc74.
Revert "Changed .gitignore"

This reverts commit db482457f0c4436bfd1b69394db949a120138cb8.
Revert "Integrated!"

This reverts commit e495adfadb9c6042aa8ccfb27866c0232c1d28ea.
Revert "integrating..."

This reverts commit f1ab9315b64192428df03b746959994bad06a206.
Revert "Added RChem"

This reverts commit e23f2cdcad61b8d98e1c8e69a4d1b448ca949011.
Revert "testing"

This reverts commit 1d51c16c83a2740341031c3e0e1f4257b0510cc1.