Merge branch 'fix/cleanup-project-dir' into 'master'

Fix: always clean up project directory

See merge request sheepitrenderfarm/client!246

src/main/java/com/sheepit/client/Client.java

@@ -846,6 +846,9 @@ import okhttp3.HttpUrl;
 		gui.setRemainingTime("");
 		gui.setRenderingTime("");
 		gui.setComputeMethod("");
+		
+		removeSceneDirectory(ajob);
+		
 		if (err != Error.Type.OK) {
 			this.log.error("Client::work problem with runRenderer (ret " + err + ")");
 			if (err == Error.Type.RENDERER_CRASHED_PYTHON_ERROR) {
@@ -855,8 +858,6 @@ import okhttp3.HttpUrl;
 			return err;
 		}
 		
-		removeSceneDirectory(ajob);
-		
 		return Error.Type.OK;
 	}