Start making setup.py similar to other OpenStack Projects

* Try /etc/tempest DIR if the config file not found
* Exit immediately if the config file not found
* Remove pika from dependencies
* tempest named starter script (pep8 removed run_tests.sh)

Change-Id: I1f0b1fb061a265c5f8e39627efd26decdc61ef63
diff --git a/.gitignore b/.gitignore
index 55096ed..061c2ff 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,3 +8,5 @@
 *.swo
 *.egg-info
 .tox
+dist
+build