Preserve line-breaks and alignment in HTML docs.

Signed-off-by: Anurag Priyam <anurag08priyam@gmail.com>
Merge pull request #417 from yeban/html_docs

[RFC] Preserve line-breaks and alignment in HTML docs.

Line length can be addressed elsewhere. This PR does not change it, except for present line breaks. I think preserving these is a nice enhancement.