Merge pull request #289 from euca-nightfury/testing

S3 list multipart upload tests
Add locust first pass

Change-Id: I6ba626dd2afd04618ab8f00b7da3994a72e908a9
Merge remote-tracking branch 'origin/testing' into testing
Use sane-ish credpath default

Change-Id: I9afc6b8976be237022994fc665290aeeb3e44dbe
Adding new tests to WalrusSuite.xml