Tribal holdings and bug fixes

- Tribal holding for Druedain, Haldadian, Forodwaith
- Vanilla-like decision to make them change into castle
- added the old south road and the ruined old south road as feudal and
tribal building
-easy way to rebuild the old south road and the men i naugrim (upgrade
for dwarves and numenoreans)
- Added some missing localisation and corrected some bugs
- Modified building erebor event (increased needed time)
Fix for "AI will do" in decision window

Corrected wrong number of "}"
Ai will do no longer appears in decision windows but script should be
tested.