[beast: 5/6] BUILD: cleanup git archive export files

[Tim Janik <timj src gnome org>]

commit 8a9abf3e1c895f64f47787886541dc6fef861820
Author: Tim Janik <timj gnu org>
Date:   Sat Jun 17 00:07:16 2017 +0200

    BUILD: cleanup git archive export files
    
    Signed-off-by: Tim Janik <timj gnu org>

 .gitattributes |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..1255dcc
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1,3 @@
+.gitattributes export-ignore  
+.gitignore export-ignore
+/.travis.yml export-ignore