binary clock example: log formatting

[imrehg]

• binary_clock_meld: Do space padding for hours, and zero padding for minutes, seconds.
• binary_clock: Display log when the proper variable values are available, and format them for easier reading.

[coveralls]

Pull Request Test Coverage Report for Build 11

• 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 73.684%

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Totals
Change from base Build 10:	0.0%
Covered Lines:	56
Relevant Lines:	76

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💛 - Coveralls

[Gadgetoid]

Thank you!