JSoup parser to handle text/plain

[jnioche]

There is no parsing involved so we might as well do it.

2017-05-22 11:16:54.269 c.d.s.b.JSoupParserBolt Thread-10-parse-executor[7 7] [ERROR] Exception content-type text/plain for http://www.murfreesboropost.com/candidates-for-state-house-district-34-cms-23820
2017-05-22 11:16:55.921 c.d.s.b.JSoupParserBolt Thread-42-parse-executor[5 5] [ERROR] Exception content-type text/plain for http://www.murfreesboropost.com/candidates-for-state-house-district-62-cms-23821
2017-05-22 11:16:57.049 c.d.s.b.JSoupParserBolt Thread-4-parse-executor[8 8] [ERROR] Exception content-type text/plain for http://www.murfreesboropost.com/rutherford-county-sheriff-candidates-cms-23826