Mueve logging a MyBaseActivity

git-svn-id: https://tdam-2013-g5.googlecode.com/svn/trunk@8 0117bdac-9510-e2bd-253c-24df4fda417d
Agregue textarea y boton

git-svn-id: https://tdam-2013-g5.googlecode.com/svn/trunk@9 0117bdac-9510-e2bd-253c-24df4fda417d
Agregue callback

git-svn-id: https://tdam-2013-g5.googlecode.com/svn/trunk@10 0117bdac-9510-e2bd-253c-24df4fda417d