Added createPayPeriod mapper function
Fixed an error in the database creation file
Added models for legacy database objects
Added support for loading the legacy permissions
Added support for importing employees
Added support for importing signin data
Added frontend code to import pay period ends
Turned down the logging level to prevent 10000 lines of SQL printing to
the console
Merge remote-tracking branch 'origin/gs.legacyimport' into
gs.legacyimport

Conflicts:
	src/main/resources/edu/helpdesk/signin/legacyDatabaseBeans.xml
	src/test/java/edu/helpdesk/signin/legacy/Importer.java