Release v2.2.0

Issue-ID: PORTAL-250
Change-Id: I9970ca01290eec88729b2c61c586f3a0e0b74e48
Signed-off-by: Manoop Talasila <talasila@research.att.com>
diff --git a/.gitignore b/.gitignore
index 9e426b2..44c6935 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,4 @@
-/.idea/workspace.xml
+/.idea/*
 /.project
 /.settings
 /dmaapbc