Renamed task directories to simplify Gitlab navigation

Task_B/build.yaml

Task_B/lib/yamlbeans-1.0.jar

Task_B/src/domain/BuildConfig.java

Task_B/src/domain/Project.java

Task_B/src/domain/Property.java

Task_B/src/domain/Target.java

Task_B/src/main/Main.java

Task_B/src/xml/Build.java

Task_B/src/xml/XMLBuildConfigurationReader.java

Task_B/src/yaml/Compile.java

Task_B/src/yaml/YamlBuildConfigurationReader.java

Task_B/test/src/xml/XMLBuildConfigurationReaderTest.java

Task_B/test/src/xml/YamlBuildConfigurationReaderTest.java

Task_C/.classpath

Task_C/.project

Task_C/bin/visitor/overview.png

Task_C/src/interpreter/lisp/BinaryExpression.java

Task_C/src/interpreter/lisp/CompoundExpression.java

Task_C/src/interpreter/lisp/CompoundFunction.java

Task_C/src/interpreter/lisp/Conditional.java