TRUNK-3882 Custom tag to render errors

(cherry picked from commit be50e0dc73b33272bc01482ec59f1ff3bc6f1acb)

Conflicts:
	webapp/src/main/webapp/WEB-INF/view/admin/concepts/conceptReferenceTermForm.jsp
	webapp/src/main/webapp/WEB-INF/view/admin/concepts/conceptStopWordForm.jsp
	webapp/src/main/webapp/WEB-INF/view/admin/encounters/encounterForm.jsp
	webapp/src/main/webapp/WEB-INF/view/admin/forms/formEditForm.jsp
	webapp/src/main/webapp/WEB-INF/view/admin/locations/locationForm.jsp
	webapp/src/main/webapp/WEB-INF/view/admin/observations/obsForm.jsp
	webapp/src/main/webapp/WEB-INF/view/admin/patients/mergePatientsForm.jsp
	webapp/src/main/webapp/WEB-INF/view/admin/patients/patientForm.jsp
	webapp/src/main/webapp/WEB-INF/view/admin/patients/shortPatientForm.jsp
	webapp/src/main/webapp/WEB-INF/view/admin/person/personForm.jsp
	webapp/src/main/webapp/WEB-INF/view/admin/scheduler/schedulerForm.jsp
	webapp/src/main/webapp/WEB-INF/view/admin/users/alertForm.jsp
	webapp/src/main/webapp/WEB-INF/view/admin/users/changePasswordForm.jsp
	webapp/src/main/webapp/WEB-INF/view/admin/users/roleForm.jsp
	webapp/src/main/webapp/WEB-INF/view/admin/users/userForm.jsp
	webapp/src/main/webapp/WEB-INF/view/admin/visits/visitForm.jsp
	webapp/src/main/webapp/WEB-INF/view/dictionary/conceptForm.jsp
	webapp/src/main/webapp/WEB-INF/view/optionsForm.jsp