Update final 2021 solutions

...us-exams/2021-final-solutions/concpar21final01/.gitignore

...xams/2021-final-solutions/concpar21final01/assignment.sbt

...ous-exams/2021-final-solutions/concpar21final01/build.sbt

...-solutions/concpar21final01/project/CourseraStudent.scala

...nal-solutions/concpar21final01/project/MOOCSettings.scala

...nal-solutions/concpar21final01/project/StudentTasks.scala

...final-solutions/concpar21final01/project/build.properties

...inal-solutions/concpar21final01/project/buildSettings.sbt

...2021-final-solutions/concpar21final01/project/plugins.sbt

...ions/concpar21final01/src/main/resources/application.conf

...inal01/src/main/scala/concpar21final01/MyComponents.scala

...r21final01/src/main/scala/concpar21final01/Problem1.scala

...nal01/src/test/scala/concpar21final01/Problem1Suite.scala

...us-exams/2021-final-solutions/concpar21final02/.gitignore

...xams/2021-final-solutions/concpar21final02/assignment.sbt

...ous-exams/2021-final-solutions/concpar21final02/build.sbt

...-solutions/concpar21final02/project/CourseraStudent.scala

...nal-solutions/concpar21final02/project/MOOCSettings.scala

...nal-solutions/concpar21final02/project/StudentTasks.scala

...final-solutions/concpar21final02/project/build.properties