Refactored some code by moving some enum (CharacterActionType,
PickupType) declarations out of related classes.
Fixed code formatting.
Cleaned up some LevelManager code, not much really.
Added Spawn Manager and character spawner component.
Playable and non playable characters can be spawned at run time instead
of adding to the scene in the editor.

Spawners lack a visual gizmo to be easily spoted in the editor.
Added a first very simple version of the game settings (for example,
camera type, input type, difficulty level).

Not used in game for now.
Added game manager prefab, containing LevelManager, SpawnerManager and
GameSettings.

Added Player Villain Character prefab, used to spawn Playable Villain
characters at run time with CharacterSpawners.
Quick fix for Third Person Camera component to support being
instantiated at run time by the game logic, instead of added in the
editor.
Added WIC logo to be used as screen background for game intro.
Reworked intro scene.
Now uses CimenaticIntro script logic the display a slide show for a
given time before loading the next scene.
First pass on main menu rework.
Menu will start only valid scenes.
Some modification on LayerCharacterBase 02 used for characters with
various actions (jump, dive, slide, vault). (Can't remember what
exactly).
First pass of Game Chase logic.

Plenty todos:
- make camera init params data driven (which can be specified in the
  game settings or sthg)
- make player character type data driven (maybe get it from some player
  profile component or sthg)
- ... etc
Added scene 'test_09' which uses new Game Chase logic and Character Spawner.
First pass of Networking client/server system.
A NetworkManager should be added to the game manager object prefab to
support networking.

Only LAN server discovery has been implemented (using UDP LAN
broadcasting).
Online server discovery using Unity3d MasterServer system will be added
in the near future.

Server can be started and clients can connect to discovered servers.
Added NetworkManager component to Game Manager object prefab.
Updated MainMenu and LevelManager code to support network games.

Introduced GameStates to GameChase mode.
Added NetworkView to GameManager prefab to support network games.
Updated Main menu scene related to network games support.
Removed some useless gameobject from test_09 scene.