[reSIProcate] ConfigParse.cxx: more detail in exceptions

[John Gregg]

When we throw exceptions if we don't like a command line argument or 
can't read a config file, we should include the offending 
argument/filename in the text of the exception. This makes it a lot 
clearer to the end user what went wrong in a fatal error.

Then enclosed file consists of two small changes to the 1.9.6 version.

-John Gregg

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