Change region to US East
Change region back to US West, not necessary
Fix several GetObjectContent with optional attributes tests

The problem occurs when using IOUtils to manipulate InputStreams.
IOUtils was coded by a bad person that decided that "copy" and
"contentEquals" methods would render a stream unusable.

Fortunately we have Guava that guarantees the stream's immutability
for these kind of situations.
Merge branch 'master' into CLDCONNECT-1435

Conflicts:
	src/test/java/org/mule/module/s3/automation/testcases/GetObjectContentTestCases.java
Fix files being deleted after being uploaded to S3

This bug was introduced attempting to fix CLDCONNECT-796.
Merge branch 'master' into CLDCONNECT-1435
Merge branch 'master' into CLDCONNECT-1435
Try to fix flaky tests by sleeping 5s to allow S3 to update
Add more 5 sec timeouts
Merge branch 'master' of https://github.com/mulesoft/s3-connector into CLDCONNECT-1435
Merge pull request #10 from mulesoft/CLDCONNECT-1435

Fix flaky functional tests by sleeping between operations