Swallow harmless EF6 exception during Initialize

Try to prevent tripping harmless Exception when initializing the DB.
Issue in EF6 upgraded from EF5 on first db call in debug mode:
http://entityframework.codeplex.com/workitem/594.

Fix for issue reported in [on the community
site](http://community.miniprofiler.com/t/support-for-ef6/4/7?u=yaakov_ellis)