SCAL-512: Password mandatory length increased to 8 chars
SCAL-512: anti-csrf on login
SCAL-512: more fixes in regexpes
SCAL-512: filtering 'authenticity_token', 'temp_pass' in logs
SCAL-424: generating temp password only on demand (generate_temp_pass=true)
Merge branch 'virtroll-audit-2' into development
SCAL-369: database encryption key now can be changed in secrets.yml - use with caution!