use .json extension for locales
i18n city frontpage, greek translation
Change title name of Thessaloniki
fix .gr locale
shorten gr locale 'add event' link
i18n the submit-event jade
final markup fixes on howto event submit
Merge pull request #7 from WeAreRoots/translate

Translate
add remaiming greek translation strings
Merge pull request #8 from WeAreRoots/translate-gr

Translate remaining string in Greek
Merge remote-tracking branch 'origin/master' into city-view-tweaks

Conflicts:
	front/templates/city/index.jade