update .gitignore

Add Intellij IDEA project files to .gitignore

Change-Id: I88cbd101369ed74842cb85e61f9058ae5dd65221
Issue-ID: PORTAL-572
Signed-off-by: k.kazak <k.kazak@samsung.com>
diff --git a/.gitignore b/.gitignore
index 44c6935..a237ad3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,6 @@
 /.idea/*
+*.iml
+*/*.iml
 /.project
 /.settings
 /dmaapbc