v0.13.4 pre-rc release

[rg911]

Pre-RC release

Milestone: Elephant.3 / Fuschicho

• Added Metadata rest api endpoints and DTOs
• Added MosaicRestriction rest api endpoints and DTOs
• Added MetadataTransactionService which eases the meta data transaction creation without knowing previous meta data values
• Added MosaicRestrictionTransactionService which eases the mosaic restriction transaction creation without knowing previous restriction details.
• Changed MetadataTransaction and Metadata state value to use raw string (utf8 encoding).
• Fixed Namespace/Names endpoint issue
• Fixed Mosaic endpoint issue
• Improved unit and e2e tests

[coveralls]

Pull Request Test Coverage Report for Build 716

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 100.0%

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Totals
Change from base Build 715:	0.0%
Covered Lines:	10
Relevant Lines:	10

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💛 - Coveralls

[coveralls]

Pull Request Test Coverage Report for Build 716

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 100.0%

---

Totals
Change from base Build 715:	0.0%
Covered Lines:	10
Relevant Lines:	10

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💛 - Coveralls