Commencement du serveur de récuperation des connections

Actuellement lorsqu'un client permet sa connection, il
pert le jeu. Pour permet au joueur de recuperer leur
partie, un serveur va etre mis en place. Le client devra
alors envoyer une genre de cle permettant de l'identifier
puis, si cette cle est valide, la socket du client sera
echangee.
Coded fundals of fight, with affine function to easily parametrize the balancing we talked about in issue#99
Added fundals of fight
With affine function on attack to parametrize from the engine
Merge branch 'player' of https://github.com/GL-MPRI-2014/GL_MPRI_2014 into player
Inclusion de la fonction open_connection dans network
Suppression du client bidon
unit parsing with combat stats
Added hp (forgotten) and random calculation of attack
Merge branch 'player' of https://github.com/GL-MPRI-2014/GL_MPRI_2014 into player

Conflicts:
	src/common/Unit.ml
Repaired Unit.mli
Repaired #hp to life
Access to volume.
Merge branch 'master' of github.com:GL-MPRI-2014/GL_MPRI_2014
Repaired for compiling
Now 80 characters per line
Removed b
In game menu now support Return as well
Merge branch 'master' of https://github.com/GL-MPRI-2014/GL_MPRI_2014
Merge branch 'master' into player

Conflicts:
	src/common/Unit.ml
Merge pull request #110 from GL-MPRI-2014/player

Player