SRZ dataset added

- added support for SRZ dataset
Node dependencies upgraded

- executed npm up --save
- removed npm-shrinkwrap
Security refactored.
Generic handling for 403/401.
Backend static filters for authentication and authorization.
[FINISHED #74517014].
Reused email for security user creation.
Security clean up.
[FINISHED #74947244]
[FINISHED #74603410]
[FINISHED #74603410]
[FINISHED #74951642]
[FINISHED #74555082]
Petugezs clones of data repos.