Fix secondary CI jobs

[cgewecke]

#57

• Pins gas-reporter to last working version.
• Adds a (now necessary) flag to the geth launch so the script which funds and unlocks multiple accounts will work.

[coveralls]

Pull Request Test Coverage Report for Build 172

• 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 99.051%

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Totals
Change from base Build 165:	0.0%
Covered Lines:	240
Relevant Lines:	240

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💛 - Coveralls