#22 and #32

Script that makes an NPC follow another object in a straigth line
Added playground scene for testing purposes
Revert "#22 and #32"

This reverts commit ebadf2c279ac0fe4074382d2fa63ba53686f359d.
Merge remote-tracking branch 'origin/devel-B' into devel-B
Tweaked both scripts from the NPC for better compatibility
#59 Reducció poligons aranya

Aranya ja reconstruida amb 3216 poligons
Fixed movement function and changed the way distance is calculated on the AI
Merge branch 'devel-B' of https://github.com/eloipuertas/ES2014B into devel-B
added all the movement bugfixes
functions to be called from AI added
Updated spider model with animations
Moved spider model to proper folder, and updated test scene
Made some clean up
#60 Afegir textures aranya

Textures afegides, faltar testejar si es veuen a unity, a mes petit
canvi a l¡estructura de fitxers de la part de Npc.
Added walk animation
Added trigger and controller for the animation that opens the door
New attacking animation
npc now looks to the destination point
added scipts for integration
interface for attackers