Merge pull request #19 from CAYdenberg/master

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adding yeti.css
applying yeti, making design tweaks per Jenifer Lin
applying yeti, making design tweaks per Jennifer Lin.
Merge pull request #21 from ivangrub/homepage-new

New site style changes
Me make URLs pretty when referred to Lens
Wrote out classes and tests for new search
Build out search.execute()
Build out execute(), began writing route
Added Handlebars and rendered search results
Built out search routes
Search refactor completed