setLockedUnitForFaction

*the actual lua function "setLockedUnitForFaction"
setLockedUnitForFaction

*Showing an info in the info string ( above the requirements of the unit ) if locked
setLockedUnitForFaction

*removed debug (printf's)
setLockedUnitsForFaction

*save locked Units in savegames ( and load them when savegame is loaded )
Merge pull request #30 from titison/feature/lua_blockUnits

Feature/lua you can disable units via lua commands so that they cannot be built