F move entity

Summary

Introduction/Refactoring of move/copy constructors and assignment operators for several classes.

Focus

• Always mind the Rule of 5
• New move and copy constructors and assignment operators for DataType.
• New == and != operators for ProtoMessageWrapper and Entity (needed for testing).
• Simplified move constructor, copy/move assignment operators of Property.
• New move constructor, copy/move assignment operators for Entity.
• The new test cover all four things (move/copy constructors/assigment operators) for Entity, Property, and Parent.

Test Environment

Pipeline testing should be sufficient

Check List for the Author

Please, prepare your MR for a review. Be sure to write a summary and a focus and create gitlab comments for the reviewer. They should guide the reviewer through the changes, explain your changes and also point out open questions. For further good practices have a look at our review guidelines

• All automated tests pass
• Reference related Issues
• Up-to-date CHANGELOG.md
• Annotations in code (Gitlab comments)
  • Intent of new code
  • Problems with old code
  • Why this implementation?

Check List for the Reviewer

• I understand the intent of this MR
• All automated tests pass
• Up-to-date CHANGELOG.md
• The test environment setup works and the intended behavior is reproducible in the test environment
• In-code documentation and comments are up-to-date.
• Check: Are there specifications? Are they satisfied?

For further good practices have a look at our review guidelines.

doc/README_SETUP.md

@@ -27,7 +27,7 @@ command (3.).
 
 Instead of the above conan command (2.) use
 
-2. `conan install .. -s "cppstd=11"`
+2. `conan install .. -s "compiler.cppstd=17"`
 
 and continue as you would when building on a Linux system. You may
 have to add `build/lib/` (or, alternatively after installation,
@@ -37,7 +37,8 @@ variable.
 #### Problems and solutions ####
 
 - Make sure that your conan version supports your XCode version.  A typical symptom of version
-  mismatch is for example conan complaining about incompatible `compiler.version` settings.
+  mismatch is for example conan complaining about incompatible `compiler.version` settings.  You may
+  need to rerun any conan and cmake commands (and delete cache files first) after compiler updates.
 
 ### How to build on Windows