Initial work on a unified query string.
Vagrant: Clean up gopath management
Some styling tweaks.
Some style tweaks.

halp i am not good at design
Simplify and cleanup the backend code.
Some more backend refactors, and tests.
Optionally reload templates every time.

This makes tweaking styling sooo much easier.
Minor display tweaks
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Initial /help
Skip over \( and \) when parsing queries.
Merge pull request #8 from livegrep/query-string

Replace the separate search boxes with a query string.