Hinin's Imazighen (Dihya al-Kahina) for VP V.4 - Rework

V.4 : Almost everything was reworked. No longer supports 2UC VP.

- Fixed a problem with the Imajal Build action that didn't remove forests / jungles / marshes
- Gave Amazigh Cities the ability to use Food Internal Trade Routes from the start of the game

- Leader : tweakes flavors, changed Secondary Victory Pursuit to Cultural
- UA : reduced conversion rate from 20 to 15% ; reduced yields from TRoutes from 6 to 5, but swapped Border Growth points with Culture ; combat bonus from Trade Routes increased from +15% CS to +20% CS
- UU1 : removed Ignores ZOC from Slither, but added small damage to adjacent hostile Units whenever the Unit moves ; added Great General I to the Unit
- UGPTI : added 1 Tourism to the base yields and to the yields from City Connection Roads / Railroads
- UU2 : made a unique name for the Horse version of the Tnoy so that you can know what version of the unit a City-State wants
- UB : changed -1 Unhappiness from Distress to Urbanization