P4.Net: Multiple Changes
1. Update samples to VS2008 and new bin paths
2. Update MSBuild sync tasks to have IgnoredWarnings parameter
3. Added public class for P4RecordsetCallback. This allows consumers to easily migrate code that uses Recordsets to also take advantage of callback hooks.
4. Reworked method signiture of RunCallback. Removed tagged parameter and added RunCallbackUnparsed method. Made Callback parameter first so command and arguments are next to one-another. Note: this is a BREAKING CHANGE if you are using callbacks.
5. Reworked so switching between tagged and untagged runs will not disconnect/reconnect.
6. Add initial work for a file diffing object.