Ignore .idea directory

Change-Id: I183b52e548d4684878a0af687b72326ca5dcfd73
diff --git a/.gitignore b/.gitignore
index b59cb77..e76a1bd 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,6 +2,7 @@
 *.egg
 *.egg-info
 *.pyc
+.idea
 .test
 .testrepository
 .tox