Merge branch 'openigtlink-support' into 'development'
Openigtlink support openigtlink processor implementation and matrix processor. changes to mprrenderer and mprdemo are not relevant (should be in another branch)
9.2.2023: Due to updates GitLab will be unavailable for some minutes between 9:00 and 11:00.
Openigtlink support openigtlink processor implementation and matrix processor. changes to mprrenderer and mprdemo are not relevant (should be in another branch)