v3.0-M1 New assignments for part 1 ready for test

The following assignments in study period 1 are ready for test:

• Update exercise objects to depend on [https://github.com/lunduniversity/introprog-scalalib]
• Update lab blockmole to depend on [https://github.com/lunduniversity/introprog-scalalib]
• New exercise classes with preparations for new lab blockbattle
• New lab blockbattle that expands lab blockmole from singelton objects to classes

Known issue:

• There is no info about that sbt will require to put the introprog.jar in the lib folder. This should be added to exercise classes somwhere see isue #353

Any feedback welcome!