Merge remote-tracking branch 'ldoktor/tmpdir'

Signed-off-by: NCleber Rosa <crosa@redhat.com>

avocado/core/app.py

@@ -20,6 +20,7 @@ import os
 import signal
 import sys
 
+from . import data_dir
 from . import output
 from .dispatcher import CLICmdDispatcher
 from .dispatcher import CLIDispatcher
@@ -92,3 +93,5 @@ class AvocadoApp(object):
             # This makes sure we cleanup the console (stty echo). The only way
             # to avoid cleaning it is to kill the less (paginator) directly
             STD_OUTPUT.close()
+            # Force-close tmpdir
+            data_dir.clean_tmp_files()