v2.5.0

This is release 2.5.0

It is a somewhat refactoring/maintenance release with some QoL improvements, providing the ground for future work

New/improved stuff

• Separate model and diagram classes, allowing for the implementation of other type of diagrams
• Whole project retargeted to .NET 4.7.2 (solution adjustment by Carlo)
• Reworked the update checker so that SemVer is used
• Reworked the update checker so that github releases are checked
• The code generator now generates vs2015/vs2017 solutions/projects
• Update dialog reworked
• Top left resizing and shape snapping improvements (mrpetro)
• Association problem when trying to create aggregation fix (mrpetro)
• Fixed some build issues under linux

Contributors

@mrpetro
@cbarox
.