map-mod fun
Update Changelog
(resync from RC2)

(cherry picked from commit 64e8f0e1461be2c41d6020ebbeaacf3ee191d71f)

Conflicts:
	ChangeLog
Revert "map-mod fun"

This reverts commit ac9afb2721fc8e25a1adfe0f09106405f28ac44d.
(didn't mean to push this yet)
Hungarian translation update by mtomi78.

Closes #4117.
French translation update by machintruc.

Closes #4113.
Update translations.
Differentiate between maps and maps that have mods in them. Map-mods will now be shown in red on the lobby screen, and the map picker screen. It will show a red lamp next to the map if you join a game via IP or, you knowingly join a game that is hosting a map-mod.
Merge branch 'bugfixes' into 3.1