v5.1.1

Changes:

• OpenPonk project's inner window starts maximised
• OpenPonk's internal menu shows entry for new project creation as well

New known issues in v5.x.x:

• Simulations and verifications/validations are not cooperating with undo-redo and might override each-other's changes
• Zooming is often quite laggy
• PDF exports have mirrored font italics