updating service.bat for shutdown hook
Fixes https://www.pivotaltracker.com/story/show/68543726 - Ensures custom column order is retained when adding a new row
hides the agent name dates field if no data is present
remove bulk dates from type option
Check if Agent already is created for the repo
Merge branch '68543726-rde-column-ordering' of github.com:payten/archivesspace into payten-68543726-rde-column-ordering

Conflicts:
	launcher/service.bat
tweak to fix sequel issue with MySQL
fix to repository controller to not overwrite contact information when using an existing agent