Moved support classes into subfolder to make it clear where the entry point is.
Renamed Extension to SampleAddin for clarity
Tidied up object explorer context menu code
Simple tool window that displays messages.
Menus write log messages
Add border to each message displayed in the log
OE menus don't activate the message log window. Because they open query windows instead.
Object explorer menus script database objects as alter and open a new query window with result.
Added comments to OE node menu