Properly exclude origin post from single stream

If landing on a post, make sure that post doesn't display a second time
Turn off debug, spacing
Reduce queries
single query variable
Get rid of default theme specific render functions

Only difference is the comments template call, move to the default render function rather than overriding
Add twenty twelve support
add twenty eleven
Add twenty ten support

render function could be better. The loop-single displays prev/next pagination still.