Note- and SpeakBrick use new Formula mechanics.

IfLogicAction- and RepeatActionTest: testNullFormula() update.
Fix of some Brickrefactoring related UI-tests.
CatrobatLanguageVersion support. (Note- and SpeakBrick language conversion to FormulaBrick)
Remove of redudant Null-Formula test method (SpeakStageTest.testNullText())