Adds presigned url tests for each verb and for sts tokens
Adds presigned url tests for each verb and for sts tokens

Conflicts:
	testcases/cloud_user/s3/object_tests.py

nagyistoce/eutester,sjones4/eutester,sjones4/eutester,nagyistoce/eutester,shaon/eutester,tbeckham/eutester,nephomaniac/eutester,tbeckham/eutester,shaon/eutester,shaon/eutester,nephomaniac/eutester,nagyistoce/eutester,nephomaniac/eutester,tbeckham/eutester,sjones4/eutester,tbeckham/eutester,shaon/eutester,nagyistoce/eutester,sjones4/eutester,nephomaniac/nephoria,nephomaniac/nephoria