Move more exercises into E_IntermediateStreams and F_AdvancedStreams

LambdaLab/test/exercises/A_Lambdas.java

LambdaLab/test/exercises/E_IntermediateStreams.java

LambdaLab/test/exercises/Exercises.java

LambdaLab/test/exercises/F_AdvancedStreams.java

LambdaLab/test/solutions/A_Lambdas.java

LambdaLab/test/solutions/E_IntermediateStreams.java

LambdaLab/test/solutions/Exercises.java

LambdaLab/test/solutions/F_AdvancedStreams.java