Updated French Translation

Credits go to Sita:
http://forums.nexusmods.com/index.php?/user/259002-sita/
Add Finnish
Add Finnish
Add Finnish
Add Finnish
Add Finnish
Add Finnish
Merge remote-tracking branch 'origin/full-editor-updates'
Cyclic error messages now detail the cycle.

Closes #166.
Add Finnish loot.po
Rename resources/l10n/fi/loot.po to resources/l10n/fi/LC_MESSAGES/loot.po
Add Finnish translation to credits
Priority values are now inherited.

Should resolve issue #165.
Update helpers.cpp
Merge pull request #169 from 3ventic/master

Finnish translation
Added missing Finnish language constant.
Added another missing Finnish translation bit.
Priority values are inherited now.

However, they would be better inherited only during sorting, as otherwise they show up in the UI and possibly get recorded in the userlist using their inherited values. Part of #165 work.
Priorities inherited temporarily.
Changelog update.