Implement Differential Export to E2EScheduler
Defer isNumeric to oscar.util.StringUtils library
Added custom Demographic log access

Change-Id: I8ed760956b58b294a0eaff59d75d73b709910127
Signed-off-by: Jeremy Ho <jujaga@gmail.com>

Conflicts:

	src/main/java/org/oscarehr/common/dao/DemographicDao.java
	src/main/java/org/oscarehr/exports/e2e/E2EPatientExport.java
	src/main/resources/oscar_mcmaster.properties
Disable login UI and session timeout set to 0

Change-Id: I050e5bcdbcdf33ae02efbee8c895418135e77556
Signed-off-by: Jeremy Ho <jujaga@gmail.com>