fix modificando cambios en username y password externo
fix cambios de ci username password academico
add relation manyTomany Programa Academico
registrar academico relation manytomany
fix practicantes en academico manytomany
practicantes activos en academico manytomany programa
fix relation externo manytomany
add orderby practicantes filtro and periodo
add relation manytomany externos
fix lista externos academicos in cronograma
fix relation centro-externos in cronograma ajax
fix cambio de fecha en cronograma practicante
fix crear y cambiar cronograma
fix orderby academicos manytomany
fix relation centro externo ya existente
fix delete msg date.js
fix display schedule program entity
fix display sheetdata academico
fix datasheet externo in academicos
fix ver centros en academico