Merge pull request #4 from scopatz/master

Some minor updates
added a section on recycle benchmarks and revamped the conclusion a bit. would enjoy feedback.
added information to the motivation section to further decouple us from the once-through idea
removed an extraneous sentence from the spec language section
finished reviewing work, structural issues taken care of
updated with spell check, ready for review
merging today's work
word smithing.
more updates