Use BBLib and BBFarm instead of separate contracts

[XertroV]

No description provided.

[coveralls]

Pull Request Test Coverage Report for Build 94

• 154 of 197 (78.17%) changed or added relevant lines in 8 files are covered.
• 10 unchanged lines in 2 files lost coverage.
• Overall coverage decreased (-3.2%) to 74.621%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
contracts/BBFarm.sol	31	32	96.88%
contracts/SVCommon.sol	0	1	0.0%
contracts/BallotAux.sol	32	33	96.97%
contracts/BPackedUtils.sol	8	10	80.0%
contracts/SVLibs.sol	0	11	0.0%
contracts/BBLib.sol	55	68	80.88%
contracts/SVLightIndex.sol	18	32	56.25%

Files with Coverage Reduction	New Missed Lines	%
contracts/SVPayments.sol	2	41.07%
contracts/SVLightIndex.sol	8	42.29%

Totals
Change from base Build 86:	-3.2%
Covered Lines:	467
Relevant Lines:	622

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💛 - Coveralls

[coveralls]

Pull Request Test Coverage Report for Build 96

• 154 of 170 (90.59%) changed or added relevant lines in 6 files are covered.
• 10 unchanged lines in 2 files lost coverage.
• Overall coverage decreased (-0.1%) to 77.72%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
contracts/BBFarm.sol	31	32	96.88%
contracts/BBLib.sol	55	56	98.21%
contracts/SVLightIndex.sol	18	32	56.25%

Files with Coverage Reduction	New Missed Lines	%
contracts/SVPayments.sol	2	41.96%
contracts/SVLightIndex.sol	8	42.29%

Totals
Change from base Build 86:	-0.1%
Covered Lines:	468
Relevant Lines:	595

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💛 - Coveralls