SABIO-RK database and software updates

Software v. 2.1

2/21/17

- start of public SABIO-RK versioning
- CRUD interface for versioning implemented
- new video tutorials added

Database v. 2.1

2/17/17

- start of public SABIO-RK versioning
- newly curated data made accessible to the public
- about 55800 single entries accessible