Added basic data containers

These are used in communication between client/server layers
Added interfaces for Client/Server communication
Set CopyLocal to false for references
Database setup and SQL statements for the server
Misc. Server additions

Started on the CheckinHandler Service
Database readded

removed duplicate stuff
database shows up now
fixs
fixs
database update
Database update

changed employee to be NULL to start
Merge remote-tracking branch 'origin/master' into UIWorkSD