#401 Done

TimerPool is done. Problem: every time a timer must be start, it must to
reinitialize it (because for the "Elapsed" element inside the timers of
the Unity) don't know how to solve without reinitializating the object.
The object works fine. Ready for Test.
Update PlayerController.cs

Comments about how can be fixed and a very small specification of how I though to fix.
Issue #406 Corregir gallina 3

Añadido modelo con pistola; reubicados los 3 modelos al punto 0,0,
corregidos los pesos.
Issue #407 Corregir modelo gallina robot 4
#408 correccio de ls pesos del model

falta, fer els .fbx
Issue #405 Crear modelo gallina robot 5
#409 correcio de animacions del model gallina 4 robotica

falta fer els fbx
Issue #405 Crear gallina robot 5
#397 Done, but not ready for test

The issue is done, but not ready for test (There are image that doesn't
exist yet and the methods doesn't call yet)
#421 y #404 Iconos para hud

Icono de balas creado.
Iconos de hud actualizados a partir de modelos 3d
#399 Reestructured the function "walkDamage"

Every 0.1s it will receive damage if are on "punxes" object (5 damage).
The logic of the function have moved to method-listener
"spikeDamageLapse" that are invoked from the TimerPool
#398 Abstraction for weapons added

There are a several classes that controls the weapons objects that
appears on the game.
Issue #405 gallina robot 5
#410 animacions de model de gallina 5 amb katana fets
#410 animacions del model de la gallina 5 amb pistola
#410 animacions de escopeta del pollastre 5
Issue #403 Imagenes para hud para @handrez
Issue #405
Issue #393 Model of Bomb rooster done without details
#408 #409 #410 fbx de los 9 modelos creados