Change coverage path

Changes the patch for the coverage.xml file so the
Jenkins plugin can find the source code for display.

Change-Id: I2cff214a69799e9f46cc2a5c8ca5e85a290daffb
Signed-off-by: beierl <mbeierl@vmware.com>
diff --git a/.gitignore b/.gitignore
index 2b24c35..204364f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -50,7 +50,7 @@
 # Unit test / coverage reports
 .coverage
 cover
-.stestr
+coverage.xml
 .tox
 nosetests.xml
 .testrepository