Code Full dataset + Add all issues data to GH

[nniiicc]

@annieyan - I added the full issues dataset here https://github.com/OpenDataLiteracy/Feedback/blob/master/Data/DataGov-Issues-2015-16.csv

The bottom 100 are what we have already coded.

[annieyan]

Here is another place where people report issues about data.gov: https://github.com/GSA/data.gov/issues .These issues have tags.