Engine: * Added a new script function: HogTurnLeft(int gearid, bool facesleft) to turn hogs left or right * Added a new script function: HogSay(int gearid, string text, int type) to let hogs say something using speech bubbles Campaign: * Added a simple tutorial as the first mission

[patterns]
**.h = native
**.c = native
**.cpp = native
**.lua = native
**.txt = native
**.pas = native
**.inc = native