Updated weewx-cwxn extension for use with aprx

[KB3OSP]

I recently updated my weather station here at home and wanted to get a better APRS txt file to run with aprx on my raspberry pi. I have taken what was already done by Matthew and updated it to fix the date and time problem I was experiencing. I would like to get the lat and long from the station section of the conf file but this works for now. 

Open to suggestions on how to do so. 

GitHub address: https://github.com/p4ck377r4c3r/weewx-cwxn

73, Jon KB3OSP

[KB3OSP]

fixed had to pull the station dict

[Bill Arthur]

Check with Gary, gjr80. I believe he has done some work on this.