only delete message if successfully sent

git-svn-id: svn+ssh://organicdesign.co.nz/tools@762 5e2f9ad9-d71a-4c5e-ba50-a8a02cc83e87
return with error message if sending to local user via Bitmessage

git-svn-id: svn+ssh://organicdesign.co.nz/tools@763 5e2f9ad9-d71a-4c5e-ba50-a8a02cc83e87
update to new local config file way

git-svn-id: svn+ssh://organicdesign.co.nz/tools@764 5e2f9ad9-d71a-4c5e-ba50-a8a02cc83e87