ui: jklization: change service address to jkl.paatokset.fi
ui: jklization: update source code repository URLs
ui: jklization: add Jyväskylä's logo
ui: jklization: few occurrences of Helsinki with Jyväskylä
ui: jklization: fix source code repository url
ui: jlkization: fix about description
ui: jklization: add icons for new policymakers
ui: be explicit and sort issue list in descending decision date order