Add plain TEI P5 support

Change-Id: Ia376dca8d9d8dcac99dc78ccc7dc20a053474f4a
Signed-off-by: Marc Kupietz <kupietz@ids-mannheim.de>
diff --git a/.gitignore b/.gitignore
index bd41ace..a2efa56 100644
--- a/.gitignore
+++ b/.gitignore
@@ -11,6 +11,7 @@
 
 # Source data directories
 I5/
+TEI/
 
 # Compressed archives
 *.tar