Fix aws s3 aes-256 default encryption and not public

[jeugene]

Fix aws s3 storage encryption

[coveralls]

Pull Request Test Coverage Report for Build 33

• 5 of 12 (41.67%) changed or added relevant lines in 1 file are covered.
• 2 unchanged lines in 1 file lost coverage.
• Overall coverage increased (+1.04%) to 92.042%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
src/main/java/com/github/platform/team/plugin/AmazonS3Wagon.java	5	12	41.67%

Files with Coverage Reduction	New Missed Lines	%
src/main/java/com/github/platform/team/plugin/AmazonS3Wagon.java	2	76.42%

Totals
Change from base Build 27:	1.04%
Covered Lines:	347
Relevant Lines:	377

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💛 - Coveralls

[moleksyuk]

@jeugene
Please,

1. Merge conflicts.
2. Make pull request that fix issue but not code formatting specific in your IDE. (too many changes that a not related to issue).

Thanks.