Implemente carga de contactos del celular

git-svn-id: https://tdam-2013-g5.googlecode.com/svn/trunk@82 0117bdac-9510-e2bd-253c-24df4fda417d
Elimine codigo comentado

git-svn-id: https://tdam-2013-g5.googlecode.com/svn/trunk@83 0117bdac-9510-e2bd-253c-24df4fda417d