Moved ServiceInfo into its own unit
Now (de)serializing latest ServiceInfo used to invoke a hero
Adjusted sample jsons to be used as a more general cache to [later] avoid requesting info from Battle.net

--HG--
rename : sample_jsons/irmatden-2108.json => cache/en_US/eu/irmatden-2108.json
rename : sample_jsons/6174823.json => cache/en_US/eu/irmatden-2108/6174823.json
rename : sample_jsons/wpn_solanium.json => cache/item/CokBCODKjKEOEgcIBBV-Fl6RHfc9ijgdaklp6h2BgcbEHWYjBlAdZ70cYTCLAjj3AUAAUBJYBGD8AWorCgwIABCS9qKegICAwAgSGwib39u3CBIHCAQVI5aumDCPAjgAQAFYBJABAIABRo0Bd6cmTqUBaklp6q0BjBy-lrUBghhLnbgBlN_fhw3AAQIYg6aP6g1QAlgA.json
Added error message upon career retrieval failure
Getting ready for localization
Missing files
More work on localization. On-the-fly language update kinda works... But requires manually creating the "fr-FR" in bin/Debug.
Now... to decide what of this or resources [or gettext?] is less of a PITA