Python-yr

* Parse the 'nextrun' field from the cache file as UTC time (API_Locationforecast)

* switched API_Locationforecast to https://api.met.no - fixing 34

* add remove function to Cache
* add explicit installation of language-specific JSON files to setup ~> thanx to kurisuke_
* check the freshness of cache based on nextupdate tag in meta ~> thanx to knightsamar_

* add logging support
* mod some variables
* mod catching exceptions
* rewrite LocationXYZ functionality to API_Locationforecast
* swap longitude and latitude
* add self.coordinates
* add self.location_name ~> not ideal, so it will probably change in future
* add LocationXYZ wrapper over API_Locationforecast for backward compatibility
* mod hash names for temporary files
* improve setup.py
* mod README from Markdown to reStructuredText

* add support for yr.no api service ~> thanks to lucadelu_
* add hourly forecast ~> thanks to antorweep1987_

* improve exception-handling ~> thanks to mbambas_