include post type filters regardless of blog type. Slight style tweak
closes socd-io/Deployment#148
closes socd-io/Deployment#141
closes socd-io/Deployment#143
closes socd-io/Deployment#147 checks that it won't go back to admin, or a different blog
closes socd-io/Deployment#145
edit link only ever says'edit', for brevity in a crowded menu