Resolve "Add rmdir command"

Closes #49 (closed)

development/ssh/src/main/java/de/uniwue/swp/dragdropssh/ssh/SSHFacade.java

@@ -70,4 +70,11 @@ public interface SSHFacade {
      */
     public DeletionResult delete(String remoteFilePath);
 
+    /**
+     * Removes a directory on remote server. Watch out directory has to be empty! If necessary clean it with rm method first
+     * @param remoteFilePath path on remote containing the directory to get deleted at the end
+     * @return RemoveDirectoryResult containing the most important information about the deletion
+     */
+    public RemoveDirectoryResult rmdir(String remoteFilePath);
+
 }