Brainstorm 2279 (#79)
Brainstorm 2279 (#79)

* - Possible to have custom legends for alternative styles (BRAINSTORM-2275)
- Fix default language bug of legends, config file->product file->url parameter (BRAINSTORM-2266)

* Configuration file of regression tests updated (BRAINSTORM-2279)
fmidev/smartmet-plugin-wms,fmidev/smartmet-plugin-wms,fmidev/smartmet-plugin-wms,fmidev/smartmet-plugin-wms