[ALOY-279] Improve JSON parsing error output

JSON.parse() does not output the line/column at which a parsing error occurs in the data. See this thread for more details: http://code.google.com/p/v8/issues/detail?can=2&start=0&num=100&q=&colspec=ID%20Type%20Status%20Priority%20Owner%20Summary%20HW%20OS%20Area%20Stars&groupby=&sort=&id=1480 We may need to inspect nodejs modules for a better, more verbose parsing method for JSON.