The EPM demo content is standard content delivered with HANA itself since SPS6. It is called SHINE - SAP HANA INteractive Education:
http://help.sap.com/hana/SAP_HANA_Interactive_Education_SHINE_en.pdf
The code template website is something separate and specific to the workshops we teach, such as openSAP. This website is available on the openSAP system images provided as part of the course.