Added svg versions of diagrams, centered diagrams, minor prettifying of latex.
Added padding to the left of "block header" on reclaiming-disk-space.svg
Merge pull request #20 from ScrambledEggsOnToast/master

Added svg versions of diagrams, centered diagrams, minor prettifying of latex. -- changed target branch
Fix image tags and equation typo
Merge pull request #21 from NakamotoInstitute/whitepaper

Whitepaper