Added xlsx and tsv to the defaults for ckan.datapusher.formats.
[#1644] Fixed 79 char limit for datapusher.format and reformated python
array.
[#1644] Removed white space at end of line & I think fixed line intendation.
Merge pull request #1644 from Conzar/master

Added xlsx and tsv to the defaults for ckan.datapusher.formats.