[gnome-tweak-tool] Don't exclude all of po/ in .gitignore

[Florian Müllner <fmuellner src gnome org>]

commit ea0b962528f53bbfbfcd90c484fd9168f150132d
Author: Florian Müllner <fmuellner gnome org>
Date:   Sat Feb 21 17:09:27 2015 +0100

    Don't exclude all of po/ in .gitignore
    
    There are a lot of generated files in po/, but the translations
    themselves are not and must be tracked.

 .gitignore |   11 ++++++++++-
 1 files changed, 10 insertions(+), 1 deletions(-)
---
diff --git a/.gitignore b/.gitignore
index 9863f70..1425a89 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
+*~
 *.pyc
 Makefile
 Makefile.in
@@ -11,7 +12,15 @@ install-sh
 missing
 py-compile
 *.gmo
-po/
+po/*.header
+po/*.sed
+po/*.sin
+po/.*
+po/Makefile.in.in
+po/Makevars.template
+po/POTFILES
+po/Rules-quot
+po/stamp-it
 compile
 m4/
 data/gnome-tweak-tool.appdata.xml