Added a medical observations to patient search.
le quite una libreria no usada a HallazgosEjb
Changed main menu to normal menu.
Re-arranged pom.
Se agrego el entity de Modality y se modficaron los entites de personal,
tipoestudiocita, user y resultadoimagen
Added application level exception handling based on seam 3 catch.
Merge branch 'radiologia2'

Conflicts:
	ExpedienteWeb/src/main/webapp/pacientes/busqueda.xhtml
	ExpedienteWeb/src/main/webapp/templates/mainMenu.xhtml
Fixes to entity name
Se hicieron ajustes a la pagina de RadiologiaEntradas