Changes

tsk47 User profile as a player
Added in PlayerManagedBean the function of creation of user profile, 
also the function for loading of data for the edition and finally, the
function for updating the profile data. In UserManagedBean, added a
funtion to check if the logged user has a player profile and an
attribute idPlayer to access the player if the user has a profile. 
Player's views have been modified to follow the project format. In the
user's edition view, added the button that allows creating or editing
the logged user's player profile.