Printing git failure details when fresnen command fails

[kurman-zz]

Print git error message in case of a failure, error code alone enough to fix the issues.

[abrooks]

@kurman Thanks for filing this. What sort of issue are you hitting?

[kurman-zz]

Hi Aaron,

I had forgotten to setup keys since on my new machine and lein voom freshen would not tell me exactly the reason why git failed. This would
have saved at least one debug session with voom.

Kurman

On Thu, Mar 12, 2015 at 12:45 PM, Aaron Brooks notifications@github.com
wrote:

@kurman https://github.com/kurman Thanks for filing this. What sort of
issue are you hitting?

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#46 (comment).

[abrooks]

@kurman Much appreciated. I'll merge this if you fix the spelling of "freshen" in the commit message and fix the indenting in the code. Thanks again!