update to 4.5
update VS to beta2
remove redundant code
Updated the SqlBridge sample to use v5 beta.
Updated the video store to 5.0 and sqlserver 2.0.1
Updated SqlBridge sample to use version5. Also the sample now uses NHibernate as persistent storage.
Merge pull request #5 from Particular/update

Update samples to use latest version 5 of the core.