DOC: mention caosdb dependencies in README_SETUP

README_SETUP.md

 # Requirements
 
-## Software
+## CaosDB Packages
+
+* caosdb-webui=0.2.1
+* caosdb-mysqlbackend=3.0
+
+## Third-party Software
 * >=Java 8
 * >=Apache Maven 3.0.4
 * >=Python 3.4