3 - Issue #170 Merged existing buffers and schemas

[rg911]

Step 1 for applying catabuffer.
This PR merged existing flat buffer and schemas.
catabuffer will be added once ready after Library completely merged.

[coveralls]

Pull Request Test Coverage Report for Build 455

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+0.03%) to 78.791%

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Totals
Change from base Build 442:	0.03%
Covered Lines:	1683
Relevant Lines:	2021

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💛 - Coveralls

[coveralls]

Pull Request Test Coverage Report for Build 466

• 1252 of 1293 (96.83%) changed or added relevant lines in 34 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+6.1%) to 84.903%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
src/core/format/RawUInt64.ts	33	34	97.06%
src/core/crypto/Crypto.ts	97	102	95.1%
src/core/format/Convert.ts	57	63	90.48%
src/core/format/RawAddress.ts	37	44	84.09%
src/core/crypto/Utilities.ts	110	120	91.67%
src/core/crypto/nacl_catapult.ts	676	688	98.26%

Totals
Change from base Build 442:	6.1%
Covered Lines:	2897
Relevant Lines:	3270

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💛 - Coveralls