Merging in ipython-ipython1b branch. This branch was used to merge in the docs from ipython1-dev,...
Merging in ipython-ipython1b branch. This branch was used to merge in the docs from ipython1-dev,
as well as the stuff from the ipython1-sconfig branch. In addition to simply merging the docs
from ipython1-dev, I have completely reorganized the docs to make the easier to read and write.
