renamed afs into lib-transactional-file-system

lib-transactional-file-system/.gitignore

lib-transactional-file-system/README.md

lib-transactional-file-system/build.gradle

...ansactional-file-system/gradle/wrapper/gradle-wrapper.jar

...onal-file-system/gradle/wrapper/gradle-wrapper.properties

lib-transactional-file-system/gradlew

lib-transactional-file-system/gradlew.bat

...stem/src/main/java/ch/ethz/sis/afs/api/OperationsAPI.java

...ain/java/ch/ethz/sis/afs/api/TransactionalFileSystem.java

...main/java/ch/ethz/sis/afs/api/TwoPhaseTransactionAPI.java

...rc/main/java/ch/ethz/sis/afs/api/dto/ExceptionReason.java

.../src/main/java/ch/ethz/sis/afs/api/dto/ExceptionType.java

...le-system/src/main/java/ch/ethz/sis/afs/api/dto/File.java

...l-file-system/src/main/java/ch/ethz/sis/afs/dto/Lock.java

...le-system/src/main/java/ch/ethz/sis/afs/dto/LockType.java

...system/src/main/java/ch/ethz/sis/afs/dto/Transaction.java

...ain/java/ch/ethz/sis/afs/dto/operation/CopyOperation.java

...n/java/ch/ethz/sis/afs/dto/operation/DeleteOperation.java

...ain/java/ch/ethz/sis/afs/dto/operation/ListOperation.java

...ain/java/ch/ethz/sis/afs/dto/operation/MoveOperation.java