Clipper2 1.2.2

[aismann]

THIS PROJECT IS IN DEVELOPMENT MODE. Any pull requests should merge to branch dev, otherwise will be rejected immediately.

Describe your changes

Clipper2. 1.2.2
adapt also CCautoPolygon.cpp to Clipper2 1.2.2

Issue ticket number and link

Checklist before requesting a review

• I have performed a self-review of my code.
• If it is a core feature, I have added thorough tests.
• I have checked readme and add important infos to this PR (if it needed).
• [] I have added/adapted some tests too.

[aismann]

ready for merge

[halx99]

ready for merge

Please also update thirdparty/README.md.in .

[aismann]

ready for merge

Please also update thirdparty/README.md.in .

Its there. Please look again:

[halx99]

ready for merge

Please also update thirdparty/README.md.in .

I mean this file https://github.com/axmolengine/axmol/blob/dev/thirdparty/README.md.in

[aismann]

@halx99
maybe its better we use only "the pure text file (readme.in) as readme.md and can remove the "formated "readme.md"?
Improvement:

• easier handling and the information can be better used for automatic processes too
  EDIT:
  OK I understand. can be different.

[aismann]

Why is it failed? I changed only the redme files