Cloud-Update

New feature:

• Allow 2 factor-authentication for SAML users
• Make user preferences available in custom invoice templates

Improvement:

• Expenses: Teamleads could not filter entries by selected teams
• Timesheets: Teamleads could not filter entries by selected teams
• Always display the zero line in project details budget chart (add chart value 0 to y-axis if last value > 0)
• Audit logs: prevent error for deleted users in timesheet listing
• Prevent too long values for user preferences