Implementa UI de borrado de elemento de historial

git-svn-id: https://tdam-2013-g5.googlecode.com/svn/trunk@156 0117bdac-9510-e2bd-253c-24df4fda417d
Implementa borrado de item de historial

git-svn-id: https://tdam-2013-g5.googlecode.com/svn/trunk@157 0117bdac-9510-e2bd-253c-24df4fda417d
Luego de borrar, hacer 'redirect' a Activity del historial

git-svn-id: https://tdam-2013-g5.googlecode.com/svn/trunk@158 0117bdac-9510-e2bd-253c-24df4fda417d
Refactoriza metodos utilitarios relacionados con networking

git-svn-id: https://tdam-2013-g5.googlecode.com/svn/trunk@159 0117bdac-9510-e2bd-253c-24df4fda417d
Refactoriza metodos utilitarios relacionados con networking

git-svn-id: https://tdam-2013-g5.googlecode.com/svn/trunk@160 0117bdac-9510-e2bd-253c-24df4fda417d
Implementa service que hace polling

git-svn-id: https://tdam-2013-g5.googlecode.com/svn/trunk@161 0117bdac-9510-e2bd-253c-24df4fda417d
Implementa getMensajeWebPollServiceForStartPolling()

git-svn-id: https://tdam-2013-g5.googlecode.com/svn/trunk@162 0117bdac-9510-e2bd-253c-24df4fda417d
Implementa BootCompletedBroadcastReceiver

git-svn-id: https://tdam-2013-g5.googlecode.com/svn/trunk@163 0117bdac-9510-e2bd-253c-24df4fda417d
Inicia servicio de polling al detectar conexion de red

git-svn-id: https://tdam-2013-g5.googlecode.com/svn/trunk@164 0117bdac-9510-e2bd-253c-24df4fda417d
Actualiza manifest

git-svn-id: https://tdam-2013-g5.googlecode.com/svn/trunk@165 0117bdac-9510-e2bd-253c-24df4fda417d